Tag Cyclopentane

Junyuan Petroleum Group — Leading Cyclopentane Production, Delivering Value Across Industries

With global emphasis on energy efficiency and environmental protection, Cyclopentane has become a key chemical intermediate and blowing agent. As China’s largest Cyclopentane manufacturer, Junyuan Petroleum Group leverages advanced technology, stable production capacity, and strict quality control to provide high-purity Cyclopentane to industries worldwide.

Company Strengths and Production Capabilities

• Industry-Leading Scale: Our production facilities feature state-of-the-art equipment, ranking among the top in China, ensuring stable supply even for large-volume orders.
• Strict Quality Control: Multiple testing stages guarantee high purity and low impurities, meeting international standards.
• Extensive Experience: Our team possesses years of expertise in chemical manufacturing and market operations, fully understanding Cyclopentane applications and downstream needs.

Key Applications of Cyclopentane

Cyclopentane’s excellent physical and chemical properties — low ozone depletion potential, moderate boiling point, and chemical stability — make it indispensable across multiple industries.

1. Polyurethane (PU) Rigid Foam — Blowing Agent
   • Cyclopentane serves as a high-efficiency, environmentally friendly blowing agent, replacing ozone-depleting CFCs.
   • Widely used in refrigerators, freezers, cold storage, and pipeline insulation, where thermal efficiency is critical.
   • As countries tighten restrictions on traditional refrigerants, Cyclopentane’s green credentials boost its market demand.
2. Refrigeration and Insulation Systems
   • While not a primary refrigerant, Cyclopentane is essential for insulating foams in refrigeration equipment.
   • Its use enhances thermal insulation, lowers GWP (Global Warming Potential), and reduces ODP (Ozone Depletion Potential), supporting eco-friendly applications.
3. Industrial Solvent and Reagent
   • Cyclopentane is used as a solvent in chemical synthesis, such as dissolving polyisoprene rubber or cellulose ethers.
   • It also serves as a standard for chromatographic analysis and other fine chemical applications due to its stability and moderate volatility.
4. Market Outlook
   • The global Cyclopentane market continues to grow steadily, with significant demand from building insulation, green refrigeration, and industrial applications.
   • Technological advances and improved safety standards are driving diversification of Cyclopentane products and expanding its use cases.

Why Choose Junyuan Petroleum Group

• Reliable Supply: Long-term contract capacity and flexible production scheduling ensure uninterrupted supply.
• High-Quality Products: Offering multiple grades of high-purity Cyclopentane for blowing agents, solvents, and analytical applications.
• Technical Support: Our team helps optimize formulations, improve foam efficiency, and reduce operational costs.
• Safety and Environmental Compliance: Strict adherence to safety standards with guidance on storage, handling, and usage.
• Global Service: Experienced in international logistics, we provide reliable delivery for global buyers.

Partnership Vision

We invite PU foam manufacturers, refrigeration equipment producers, and chemical synthesis companies worldwide to collaborate with us. Whether for blowing agents, solvents, or analytical reagents, Junyuan Petroleum Group offers high-quality, stable, and environmentally friendly Cyclopentane solutions.

Partner with us to advance green chemical solutions and contribute to a more energy-efficient future. Contact us for samples, quotations, or technical support — we look forward to being your trusted long-term partner.

https://www.gminsights.com/industry-analysis/cyclopentane-market – Global Cyclopentane market report

https://en.wikipedia.org/wiki/Cyclopentane – Cyclopentane overview

https://univdatos.com/reports/cyclopentane-market – Market demand analysis

Cyclopentane and Isobutane in Refrigerator Foam

Refrigerator manufacturers rely on Cyclopentane and Isobutane as key blowing agents in polyurethane foam systems. These two hydrocarbons play complementary roles, ensuring optimal insulation, foam performance, and energy efficiency.

In modern refrigeration manufacturing, insulation performance is crucial for energy efficiency and product reliability. Polyurethane (PU) foam is the most widely used insulation material in refrigerators and freezers. To produce high-quality PU foam, manufacturers rely on hydrocarbon blowing agents, among which Cyclopentane and Isobutane are the most common. Understanding the differences and synergy between these two agents is essential for optimal foam performance.

Cyclopentane: The Primary Blowing Agent

Cyclopentane has become the preferred primary blowing agent for PU foam due to its excellent thermal insulation properties and high closed-cell structure. Its relatively high boiling point (~49°C) allows controlled foam expansion. Advantages include:

• Superior insulation: High closed-cell content reduces heat transfer.
• Stable foam structure: Produces uniform foam density with minimal shrinkage.
• Safety and handling: Higher flash point makes it safer in large-scale industrial applications.

Isobutane: The Complementary Agent

Isobutane acts as a co-blowing agent. Its lower boiling point (~-12°C) and higher volatility bring benefits:

• Improved flowability: Reduces polyol blend viscosity, allowing better filling of cavities.
• Enhanced foam uniformity: Consistent cell size and density across insulation panels.
• Process optimization: Speeds up foam expansion and reduces production time.

Some manufacturers also use Isobutane as a refrigerant (R600a), but in foam production, it serves as an auxiliary agent. Typical proportion ranges from 20% to 30% relative to Cyclopentane.

Why They Cannot Replace Each Other

Although both Cyclopentane and Isobutane are hydrocarbons used in foaming applications, they are not interchangeable:

1. Boiling point differences: Cyclopentane ensures stable expansion; Isobutane evaporates too quickly alone.
2. Foam quality: Isobutane alone leads to low closed-cell content and uneven foam.
3. Safety considerations: Isobutane is more flammable, requiring stricter handling.
4. Solubility and compatibility: Cyclopentane dissolves better in polyols for uniform foam.

The Balance of Performance and Safety

Using Cyclopentane as the main blowing agent and Isobutane as a co-blowing agent achieves:

• High thermal insulation for energy-efficient refrigerators
• Optimized foam processing and consistent quality
• Enhanced safety and controlled volatility
• Cost-effectiveness with reduced material waste

For more details about refrigeration and insulation materials, visit ASHRAE or read about foam technology at Halonix.

Conclusion

In summary, Cyclopentane and Isobutane play distinct but complementary roles in refrigerator PU foam production. Cyclopentane ensures excellent insulation and foam stability, while Isobutane improves flowability, uniformity, and process efficiency. Manufacturers require both to achieve high-quality, energy-efficient refrigeration products, rather than substituting one for the other.

Cyclopentane: The Primary Blowing Agent

Cyclopentane has become the preferred primary blowing agent for PU foam due to its excellent thermal insulation properties and high closed-cell structure. Its relatively high boiling point (~49°C) allows for controlled foam expansion during the production process. The advantages of Cyclopentane in refrigerator insulation include:

• Superior insulation: High closed-cell content reduces heat transfer, improving energy efficiency.
• Stable foam structure: Produces uniform foam density with minimal shrinkage.
• Safety and handling: Higher flash point compared to other hydrocarbons makes it safer in large-scale industrial applications.

Cyclopentane’s excellent solubility in polyol components of PU systems ensures that the foam expands uniformly, filling all cavities of the refrigerator body and forming consistent insulation layers.

Isobutane: The Complementary Agent

While Cyclopentane provides the primary foaming action, Isobutane is often used as a co-blowing agent. Isobutane has a much lower boiling point (~-12°C) and higher volatility. Its inclusion in PU foam formulations brings several benefits:

• Improved flowability: Reduces the viscosity of the polyol blend, allowing better filling of complex cavities.
• Enhanced foam uniformity: Helps achieve consistent cell size and density across the insulation panel.
• Process optimization: Speeds up foam expansion and reduces production time.

In addition, some manufacturers also use Isobutane as a refrigerant (R600a), but in foam production, it acts primarily as an auxiliary agent. The proportion of Isobutane is carefully controlled, typically ranging from 20% to 30% relative to Cyclopentane, depending on the foam formulation and production conditions.

Why They Cannot Replace Each Other

Although both Cyclopentane and Isobutane are hydrocarbons used in foaming applications, they are not interchangeable:

1. Boiling point differences: Cyclopentane’s higher boiling point allows stable expansion, while Isobutane would over-expand or evaporate too quickly if used alone.
2. Foam quality: Using only Isobutane leads to low closed-cell content, higher shrinkage, and uneven foam structure.
3. Safety considerations: Isobutane is more flammable due to its lower flash point, requiring stricter handling conditions.
4. Solubility and compatibility: Cyclopentane dissolves better in polyols, ensuring proper foam formation, whereas Isobutane alone cannot achieve the same uniformity.

Therefore, PU foam systems in refrigerators are designed to leverage the synergy between Cyclopentane and Isobutane rather than treating them as substitutes.

The Balance of Performance and Safety

By using Cyclopentane as the main blowing agent and Isobutane as a co-blowing agent, refrigerator manufacturers achieve:

• High thermal insulation: Energy-efficient refrigerators and freezers.
• Optimized foam processing: Smooth production and consistent quality.
• Enhanced safety: Controlled volatility and reduced fire risk.
• Cost-effectiveness: Efficient use of materials and reduced waste.

This complementary approach ensures that foam panels fill all cavities, maintain structural integrity, and provide long-lasting insulation performance.

Conclusion

In summary, Cyclopentane and Isobutane play distinct but complementary roles in refrigerator PU foam production. Cyclopentane ensures excellent insulation and foam stability, while Isobutane improves flowability, uniformity, and process efficiency. Manufacturers require both to achieve high-quality, energy-efficient refrigeration products. Understanding their synergy helps explain why icebox producers continue to source both chemicals rather than substituting one for the other.

Cyclopentane Weekly Price Update | Slight Increase to RMB 9,000 (≈ USD 1,229) per Ton

Date: November 1, 2025

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Market Overview

As of November 1, 2025, the Chinese Cyclopentane market recorded a mild upward adjustment. The average weekly price stood at RMB 9,000 per ton (≈ USD 1,229), marking a 0.45% increase (RMB +40) compared with the previous week. The highest transaction price remained stable at RMB 9,300 per ton, showing limited volatility in trading activity.

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Market Dynamics

The slight price increase was mainly attributed to steady demand from the insulation and refrigeration sectors, where Cyclopentane continues to serve as a key blowing agent for polyurethane foam production.
At the same time, feedstock costs for light hydrocarbons showed minor fluctuations, which moderately supported the overall price stability in the Cyclopentane market.

In regional terms, East China producers reported stable ex-factory offers, while North China markets saw slightly firmer sentiment amid constrained logistics and limited spot supply.

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Supply and Demand Outlook

Most domestic producers maintained normal operating rates, and inventory levels remained moderate, preventing sharp price movements. However, demand recovery from home appliance and sandwich panel manufacturers is expected to lend mild upward support in the coming weeks.

Export activity also remained stable, particularly toward Southeast Asia and the Middle East markets, where Cyclopentane is favored as a non-ozone-depleting alternative to CFC and HCFC blowing agents.

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Price Forecast

In the short term, Cyclopentane prices are expected to hover around RMB 8,900–9,300 per ton (≈ USD 1,215–1,270), with sentiment driven by seasonal demand patterns and crude oil trends.
Should upstream naphtha and isopentane prices strengthen further, downstream quotations may adjust accordingly in late November.

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Summary

• Average weekly price: RMB 9,000 / USD 1,229 per ton
• Weekly change: +RMB 40 / +0.45%
• Highest price: RMB 9,300 / 0% change
• Market tone: Slightly firm, stable outlook

Cyclopentane remains a critical material in eco-friendly insulation manufacturing, and its price trend continues to reflect the balance between feedstock cost, export momentum, and domestic consumption recovery.

n-Pentane | Isopentane | Cyclopentane

In today’s global chemical market, Pentane isomers play a vital role across industries ranging from polyurethane foam insulation to refrigeration systems and chemical extraction processes. High-quality Pentane products—particularly n-Pentane (CAS 109-66-0), Isopentane (CAS 78-78-4), and Cyclopentane (CAS 287-92-3)—are essential raw materials for manufacturers seeking efficiency, purity, and environmental compliance.

1. Overview of Pentane Isomers

Pentane is a family of hydrocarbons (C₅H₁₂) consisting of three structural isomers:

• n-Pentane — a straight-chain hydrocarbon known for its strong solvent power and consistent evaporation rate.
• Isopentane (2-Methylbutane) — a branched isomer offering a lower boiling point, ideal for refrigerant and foam-blowing applications.
• Cyclopentane — a cyclic hydrocarbon with excellent insulation performance and zero ozone-depleting potential (ODP).

All three are clear, colorless liquids with low toxicity, high volatility, and compatibility with a wide range of industrial materials.

2. Technical Comparison

Property	n-Pentane	Isopentane (2-Methylbutane)	Cyclopentane
CAS No.	109-66-0	78-78-4	287-92-3
Chemical Formula	C₅H₁₂	C₅H₁₂	C₅H₁₀
Boiling Point (°C)	36.1	27.8	49.3
Density (20°C, g/cm³)	0.626	0.620	0.746
Flash Point (°C)	-49	-51	-37
Applications	Solvent, extraction, blowing agent	Foam blowing, refrigerant blend	Insulation foaming agent

These distinct properties make each isomer suited for specific applications, ensuring performance consistency and compliance with global environmental standards.

3. Industrial Applications

• Refrigeration & Insulation Foams:
  Cyclopentane and Isopentane are widely used as eco-friendly blowing agents in polyurethane (PU) and polyisocyanurate (PIR) foam production. They offer high insulation efficiency with low global warming potential (GWP).
• Solvent Extraction:
  n-Pentane serves as a clean, fast-evaporating solvent in the pharmaceutical, adhesive, and oil extraction sectors.
• Chemical Blends:
  Blended Pentanes (n-/Isopentane or Cyclo/Isopentane) are tailored for optimized foam density, flow, and expansion performance.

4. Quality & Packaging

High-purity Pentane products (95%–99%) are available in ISO tanks, drums, and bulk deliveries, ensuring safe transportation and global supply reliability. Each batch is tested for purity, moisture, and color to meet international quality standards.

5. Sustainability & Global Reach

As environmental regulations tighten worldwide, the transition to non-CFC, non-HCFC blowing agents has accelerated. Cyclopentane and Isopentane are now preferred alternatives for manufacturers seeking greener, high-performance materials. With stable supply capability and flexible logistics, reliable Pentane suppliers help global partners maintain consistent production and cost efficiency.

For manufacturers and distributors seeking high-purity Pentane isomers that meet international standards, reliability and consistency are key. Whether you require n-Pentane for solvent extraction, Isopentane for refrigerant formulations, or Cyclopentane for eco-friendly foam production, sourcing from trusted global suppliers ensures performance and safety.

Learn more about sustainable blowing agents and global chemical standards from ChemEurope — a leading resource for chemical industry insights. Partner with reliable Pentane producers today to secure stable supply, technical support, and long-term value in your production chain.

We are pleased to introduce our premium-grade Cyclopentane–Isopentane blend, engineered to meet Cyclopentane–Isopentane Blend 50/50: High-Purity Blowing Agent for South American Foam and Refrigeration Industries

Looking for a reliable, high-performance blowing agent for rigid polyurethane foam production? Our Cyclopentane–Isopentane Blend 50/50 offers a precisely balanced formulation with exceptional purity, engineered to meet the demands of manufacturers across South America.

Product Overview: Cyclopentane–Isopentane Blend 50/50 This mixed pentane blend contains equal parts Cyclopentane and Isopentane (50% each), delivering consistent expansion behavior, excellent solubility, and compatibility with a wide range of foam systems used in insulation, refrigeration, and packaging.

Technical Specifications

• Cyclopentane: 50%
• Isopentane: 50%
• Sulfur content: < 2 ppm
• Moisture content: < 50 ppm

Key Benefits for South American Manufacturers

• Stable performance in tropical and temperate climates
• Excellent thermal insulation and expansion properties
• Ultra-low sulfur and moisture levels reduce corrosion risk
• Environmentally responsible with reduced VOC emissions
• Fully compliant with international safety and handling standards

Applications

• Rigid polyurethane foam insulation
• Refrigeration panel manufacturing
• Eco-friendly packaging solutions
• Aerosol propellants and chemical intermediates

Packaging Format Due to its flammability and volatility, Cyclopentane–Isopentane Blend 50/50 is exclusively available in ISO tank packaging. This format ensures secure bulk transport, temperature stability, and compliance with international regulations for hazardous materials.

Why Choose Our Blend? We offer consistent quality, responsive service, and technical expertise to support South American clients in achieving operational efficiency and product excellence. Our logistics team provides full export documentation, including COA, SDS, and BL, ensuring smooth customs clearance across Brazil, Argentina, Chile, Colombia, and beyond.

Contact Us Today For product inquiries, sample requests, or technical consultations, reach out to our international sales team. We are committed to building long-term partnerships based on trust, transparency, and performance.

For more insights into the safe handling and application of blowing agents in polyurethane systems, we recommend reviewing the UN Recommendations on the Transport of Dangerous Goods and the American Chemistry Council’s guidelines on foam insulation. These resources help ensure compliance with international standards and support best practices in chemical logistics and product stewardship.

By aligning with global benchmarks and offering consistent, high-purity formulations, our Cyclopentane–Isopentane Blend (50/50%) continues to be a trusted choice for South American manufacturers seeking performance, safety, and reliability.

As global demand for energy-efficient insulation materials continues to rise, Pentane-based blowing agents have become the preferred choice for manufacturers seeking high performance, environmental compliance, and cost efficiency.

We offer a full range of Cyclopentane, Isopentane, and n-Pentane blends designed to meet the diverse needs of the polyurethane (PU) and expanded polystyrene (EPS) foam industries.

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1. Cyclopentane / Isopentane 50/50 Blend

A balanced formulation combining excellent foam expansion with fast curing performance.

• Composition: 50% Cyclopentane, 50% Isopentane
• Boiling Range: 28–49°C
• Applications: PU foam blowing agent, solvent
• Advantages: Ideal for rigid insulation panels and energy-efficient foam systems

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2. Cyclopentane / n-Pentane 50/50 Blend

Engineered for high insulation performance and uniform cell structure in EPS and PU foams.

• Composition: 50% Cyclopentane, 50% n-Pentane
• Boiling Range: 36–49°C
• Applications: EPS & PU foam blowing agent
• Advantages: Enhanced compatibility with foam formulations and stable performance

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3. n-Pentane / Isopentane 80/20 Blend

Optimized for EPS foam production with excellent vaporization and flow characteristics.

• Composition: 80% n-Pentane, 20% Isopentane
• Boiling Range: 28–36°C
• Applications: EPS foam blowing agent, solvent
• Advantages: Cost-effective, high-purity hydrocarbon blend with consistent results

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4. n-Pentane / Isopentane 70/30 Blend

Delivers the right balance of volatility and foam density control for PS foam manufacturing.

• Composition: 70% n-Pentane, 30% Isopentane
• Boiling Range: 28–36°C
• Applications: PS foam blowing agent, solvent
• Advantages: Proven performance in thermal insulation and packaging foam production

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Why Choose Our Pentane Blends?

• High Purity & Consistency: Reliable performance in all industrial applications
• Eco-Friendly: Zero ODP and low GWP alternatives to traditional CFCs and HCFCs
• Global Supply Capability: Safe packaging and worldwide export
• Customized Formulations: Tailored Pentane ratios to meet specific process requirements

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Applications Across Industries

• Refrigeration & Insulation Foams (PU, PIR)
• Expanded & Extruded Polystyrene (EPS, XPS)
• Adhesives & Coatings
• Industrial Solvents

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Safety & Handling

All Pentane Blends are highly flammable (UN No. 1265) and must be stored tightly sealed in cool, ventilated areas away from ignition sources. Proper grounding, ventilation, and explosion-proof equipment are essential for safe operation.

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Conclusion

Whether you are producing PU insulation panels, EPS packaging foam, or high-performance adhesives, our Cyclopentane / Isopentane and n-Pentane blends deliver the purity, efficiency, and safety your process demands.

Learn More About Eco-Friendly Blowing Agents

For more insights on sustainable foam insulation materials and global blowing agent trends, explore industry resources such as Polyurethane Foam Association, PU Europe, and ChemicalSafetyFacts.org.

Discover how Cyclopentane, Isopentane, and n-Pentane blends are driving innovation in PU and EPS foam manufacturing, offering high performance, low environmental impact, and global compliance with modern insulation standards.

✅ Contact us today to learn more about tailored Pentane solutions for your application.

In the competitive landscape of industrial chemicals, quality, reliability, and purity define success. Our premium high-purity pentanes – including n-Pentane, Isopentane, and Cyclopentane – are engineered to meet the strictest technical standards required by manufacturers in electronics, pharmaceuticals, adhesives, and refrigeration industries.

Our products are designed to directly compete with industry leaders such as SK and LG, offering equivalent or superior performance and purity. They are distinguished by:

Isopentane purity above 99%, ensuring stable and predictable performance in refrigeration systems and high-precision applications. Ultra-low impurity levels, with cyclic pentanes below 100 ppm, light fractions under 0.5%, and total sulfur under 1 ppm. Negligible aromatic content, with benzene below 10 ppm, and non-volatile residues less than 1 mg/100 ml, ideal for sensitive chemical processes.

These specifications reflect our commitment to chemical purity, process safety, and regulatory compliance. Having successfully supplied demanding Asian markets, our pentanes have proven their consistent quality, excellent performance, and strong reputation. This regional success confirms our ability to support global industrial partners who require high-grade pentanes for critical applications.

Whether used as solvents, foam-blowing agents, or high-purity chemical intermediates, our pentanes provide industrial users with uncompromising quality, reliable supply, and peace of mind. Partner with us to access world-class pentanes designed to match or outperform leading competitors in the market.

High-purity n-Heptane (≥99%) has established itself as a critical solvent in diverse industrial applications, ranging from pharmaceuticals and chemical synthesis to precision cleaning and laboratory research. Its exceptional purity, combined with ultra-low levels of contaminants, ensures optimal performance and safety across demanding processes.

With increasing global regulatory requirements, such as the European Union REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) regulation, high-purity chemical products now require compliance for entry into major markets, including Europe and Japan. REACH compliance not only guarantees legal market access but also reflects a company’s commitment to safety, environmental responsibility, and product quality.

Key Features and Advantages

Ultra-High Purity n-Heptane ≥99% ensures minimal interference in chemical reactions and formulations. Low Benzene (<1 ppm) and low aromatic content (<10 ppm) guarantee safety, regulatory compliance, and suitability for sensitive applications. Superior Chemical Performance Provides excellent solvency for non-polar compounds. Ideal for applications requiring consistent evaporation rates and minimal residue. Compatible with a variety of chemical systems, supporting both laboratory-scale and industrial-scale processes. Reliable and Consistent Supply Produced under stringent quality control to maintain batch-to-batch consistency. Packaged and delivered in secure containers to preserve purity during transport. Supports large-scale operations while providing small sample sizes for testing and evaluation. Global Compliance: REACH and Beyond REACH Overview: The EU REACH regulation, effective since June 1, 2007, governs the registration, evaluation, authorisation, and restriction of chemicals to protect human health and the environment. Registration: Companies must register chemical substances with the European Chemicals Agency (ECHA) to legally market products in the EU. Evaluation: ECHA evaluates submitted dossiers and chemical substances to ensure compliance and safety. Authorisation & Restriction: Certain substances require explicit authorisation for use, and hazardous chemicals may be restricted or banned. Applicability: REACH covers chemical substances across industries, including chemical manufacturing, electronics, automotive, construction, consumer products, healthcare, and more. Enhancement: Our high-purity n-Heptane complies with REACH standards, ensuring safe and legal entry into Europe and Japan, while demonstrating adherence to the highest international safety and environmental regulations. Versatile Applications Pharmaceuticals: Active ingredient extraction and purification. Electronics: Precision cleaning and solvent applications. Coatings and Adhesives: High-quality formulations requiring pure solvents. Laboratory Use: Analytical and research-grade solvent for controlled experiments.

Why Choose Our n-Heptane

Guaranteed Purity: Ensures your processes remain unaffected by impurities. Consistent Quality: Reliable batch-to-batch uniformity supports industrial-scale operations. Safe and Compliant: Low benzene and aromatic content reduce health and environmental risks; fully compliant with REACH regulations. Flexible Packaging: From small iron can samples to bulk ISO tanks, meeting all operational needs. Trusted Global Supply: Enables businesses to confidently operate in international markets without quality compromise.

Conclusion

High-purity n-Heptane ≥99% is a cornerstone for industries that demand precision, reliability, and safety. Coupled with REACH compliance, our products provide manufacturers and laboratories with:

Legal and safe access to European and Japanese markets Consistent performance and high-quality end products Compliance with international environmental and safety standards

By choosing high-purity n-Heptane, businesses ensure superior process performance, regulatory confidence, and long-term reliability, making it an indispensable solvent for global industrial applications.

Polyurethane Rigid Foam (PUR) is a high-performance, closed-cell insulation material widely used in cold storage, cold-chain logistics, industrial refrigeration, and other low-temperature insulation applications. Its excellent thermal insulation, structural stability, and adaptability make it the material of choice for modern insulation projects.

Its core advantages include:

1. Outstanding Thermal Insulation

Low Thermal Conductivity: PUR exhibits thermal conductivity as low as 0.018–0.024 W/(m·K), making it one of the most effective insulation materials currently available. This reduces energy loss and lowers operational costs. High Closed-Cell Content (≥90%): The closed-cell structure blocks air convection, enhances moisture resistance, and prevents performance degradation due to water vapor infiltration.

Enhancement: The use of high-purity Cyclopentane, Isopentane, or n-Pentane as blowing agents ensures that the foam maintains its low thermal conductivity and closed-cell integrity over time, directly contributing to superior insulation efficiency.

2. Structural Strength and Durability

Compressive Strength and Deformation Resistance: With densities typically ranging from 35–60 kg/m³ and compressive strengths of 150–300 kPa, PUR can support internal racks, equipment, and transport loads. Dimensional Stability: Maintains its volume across extreme temperatures (-50°C to +100°C) with minimal shrinkage or cracking, ensuring long-term reliability.

Enhancement: The controlled purity of pentane-based blowing agents (<2 ppm sulfur, <50 ppm moisture) prevents defects during production and guarantees that the foam retains its strength and dimensional stability throughout its lifecycle.

3. Easy Installation and Adaptability

On-Site Spraying / Pouring: PUR can be applied seamlessly onto walls, roofs, or cavities, eliminating thermal bridges and providing a continuous insulation layer. Compatibility with Multiple Substrates: Bonds firmly to concrete, metal sheets, and composite panels, making it ideal for complex cold storage structures.

Enhancement: Using optimized pentane blends ensures uniform foam expansion and adhesion, improving application efficiency and minimizing material waste.

4. Environmental Friendliness and Safety

Low Global Warming Potential (GWP): Modern PUR systems employ environmentally friendly blowing agents such as Cyclopentane, Isopentane, or water-based formulations, reducing environmental impact. Fire Safety: With proper flame retardants, PUR can achieve B1-class flame resistance (GB 8624-2012), meeting stringent cold storage fire standards.

Enhancement: Our high-purity pentane products are fully compliant with international environmental regulations, providing a sustainable and safe option for manufacturers aiming to meet both GWP and fire safety requirements.

5. Economic Advantages

Although initial costs may be higher than traditional materials like EPS or rock wool, PUR’s long lifespan (20+ years) and energy-saving properties significantly reduce operating costs.

Enhancement: By selecting our reliable pentane blowing agents, manufacturers can achieve consistent foam quality and maximize energy efficiency, enhancing ROI over the lifetime of the insulation system.

Application Considerations

Controlled Installation Environment: Surfaces must be dry and clean; recommended temperature is 15–35°C with humidity below 85%. Insulation Thickness Design: Determined by the target cold storage temperature (e.g., -18°C for refrigeration or -60°C for ultra-low temperature). Typical PUR layers range from 50–150 mm. Safety Protection: Workers must wear protective gear to avoid exposure to uncured chemicals.

Enhancement: Using high-purity pentane ensures predictable foam behavior even under varying environmental conditions, reducing installation risk and ensuring design specifications are met.

Why Pentane-Based Blowing Agents Are Critical

The superior performance of PUR depends directly on the quality of the blowing agent. Our Cyclopentane, Isopentane, and n-Pentane products offer:

Purity Control: Low sulfur (<2 ppm) and low moisture (<50 ppm) for defect-free foam. Processing Stability: Uniform cell structure for optimal insulation and mechanical strength. Versatility: Suitable for a wide range of applications including cold storage, refrigerated trucks, and PIR/PUR panels. Environmental Compliance: Non-ozone-depleting, low GWP, aligned with global regulations.

Conclusion

Polyurethane Rigid Foam remains the top choice for modern cold storage insulation, offering unparalleled thermal performance, durability, and adaptability. High-purity pentane-based blowing agents are essential to fully realize these benefits, ensuring:

Maximum thermal insulation efficiency Consistent structural integrity Reliable production and long-term performance Compliance with environmental and fire safety standards

By choosing our products, manufacturers can deliver high-quality, energy-efficient, and environmentally responsible insulation solutions, ensuring optimal performance for decades.

According to recent market reports, the global Cyclopentane market is projected to experience significant growth over the next decade. The market was valued at approximately USD 455 million in 2023 and is expected to reach USD 808.3 million by 2032, with a compound annual growth rate (CAGR) of 6.4% during the forecast period  . In Asia-Pacific, the market held a share of 57.85% in 2023, driven by rapid industrialization and stringent energy efficiency regulations in countries like China, India, and Southeast Asian nations.

Cyclopentane, a highly flammable cycloalkane with the chemical formula C5H10, is widely used as an eco-friendly blowing agent in polyurethane foam manufacturing. Its low toxicity, low ozone depletion potential (ODP), and low global warming potential (GWP) make it a preferred alternative to ozone-depleting substances such as HFCs. Key applications include refrigeration, insulation materials, and chemical solvents.

Junyuan Petroleum Group’s Role in the Cyclopentane Market

Junyuan Petroleum Group, a leading Chinese petrochemical enterprise, has established a strong presence in the Cyclopentane market. The company has successfully exported high-quality Cyclopentane to international markets, including Europe, demonstrating its capability to meet stringent quality standards and customer requirements.

Global Market Trends and Regional Insights

North America: The region is experiencing growth due to increasing demand for energy-efficient building materials and sustainable refrigeration solutions. South America: Emerging economies are driving demand for Cyclopentane in construction and refrigeration applications. Asia-Pacific: As the largest market, Asia-Pacific continues to lead in Cyclopentane consumption, with China being a significant contributor. Africa and Latin America: These regions are witnessing a gradual increase in demand, supported by infrastructure development and regulatory shifts towards environmentally friendly materials.

Junyuan Petroleum Group’s Strategic Initiatives

To capitalize on the growing demand for Cyclopentane, Junyuan Petroleum Group is focusing on:

Enhancing Production Capacity: Investing in state-of-the-art facilities to increase Cyclopentane production and meet global demand. Expanding Global Footprint: Strengthening partnerships and distribution networks in key markets across North America, South America, Asia, Africa, and Latin America. Commitment to Sustainability: Aligning with global environmental standards and regulations to provide eco-friendly solutions to customers worldwide.

Conclusion

The global Cyclopentane market presents significant growth opportunities, driven by environmental regulations and increasing demand for sustainable materials. Junyuan Petroleum Group’s strategic initiatives position it well to capitalize on these opportunities and contribute to the global transition towards eco-friendly solutions.