Tag blowing agent

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.

From HCFC-141b to n-Pentane: The Global Shift in Polyurethane Foam Blowing Agents

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The polyurethane (PU) foam industry is undergoing a rapid transformation. With the global phase-out of HCFC-141b, manufacturers are seeking sustainable alternatives that maintain high performance while meeting environmental standards.

That’s where n-Pentane comes in — a clean, efficient, and cost-effective blowing agent that’s redefining insulation foam production.

Why n-Pentane is replacing 141b:

• Environmentally compliant: No ozone depletion potential (ODP = 0) and significantly lower global warming potential (GWP).
• Excellent insulation performance: Ensures fine and uniform cell structure for superior thermal efficiency.
• Lower production cost: Competitive raw material pricing and easy integration with existing foaming equipment.
• Proven applications: Widely used in PU sandwich panels, air duct insulation boards, and cold storage systems by leading manufacturers worldwide.

As demand grows for green insulation materials, switching to n-Pentane is not just a regulatory requirement — it’s a strategic advantage.

Make your insulation greener, safer, and more efficient.
Choose n-Pentane — the new standard for rigid polyurethane foam production.

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High-Purity Pentane Portfolio – Reliable, Efficient, and Sustainable

Our Pentane range is developed to deliver consistent quality and optimized performance across multiple industrial applications. With high purity levels and narrow boiling ranges, these Pentanes ensure reliability, efficiency, and environmental compliance in every use.

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1. Product Overview

We offer a complete series of Pentane grades designed to meet diverse process requirements:

Product	Purity (%)	Boiling Range (°C)	Flash Point (°C)	Key Applications
n-Pentane 99%	≥99.0	35–36	-40	Polyurethane rigid foam blowing agent, solvent
Isopentane 99%	≥99.0	27–29	-51	Quick-foaming systems, refrigerant blends
Pentane Blend 80/20 (n-/iso-)	≥99.0	30–35	-45	Balanced foam expansion, insulation boards
Pentane Blend 50/50 (n-/iso-)	≥99.0	28–34	-47	General-purpose polyurethane systems
Pentane Blend (Cyclo/Isopentane)	≥99.0	28–37	-40	Low-conductivity, CFC-free insulation foam

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2. Key Technical Features

• High Purity: Up to 99% for stable and reproducible foam performance.
• Low Sulphur Content: Ensures catalyst protection and cleaner reactions.
• Optimized Volatility: Custom boiling ranges to control foaming speed and cell structure.
• Excellent Compatibility: Suitable for polyol systems and refrigerant formulations.
• Eco-Friendly: Non-ozone depleting alternative to traditional CFCs and HCFCs.

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3. Safety & Handling

All Pentane products are classified as highly flammable liquids and vapors.

• Store in a cool, well-ventilated area, away from ignition sources.
• Use closed systems for handling and transfer.
• Ensure compliance with REACH and GHS standards.

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4. Applications

• Polyurethane Insulation Foams: Rigid foam for construction and appliance insulation.
• Refrigeration Systems: Used as components in hydrocarbon refrigerant blends.
• Solvent Applications: Precision cleaning and polymer processing.
• Custom Formulations: Tailor-made Pentane Blends for controlled evaporation rates.

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5. Packaging Options

• ISO Tanks (15.5MT each) for bulk international shipments.
• Drums (125kg net) for smaller-scale customers or sampling purposes.

• Pentane Blends for PU and EPS Foam Applications | Cyclopentane & Isopentane Solutions
• Cyclopentane: The Eco-Friendly Blowing Agent Driving the Future of PU Foam Insulation
• What is the difference between EPS fire resistance levels A, B, and B1?
• How to make polyurethane foam from cyclopentane?
• Isopentane

This high-purity hydrocarbon blend—composed of 40% Isopentane and 60% Normal Pentane—is specifically formulated as a blowing agent for EPS and PU foam applications. It offers excellent volatility, controlled density, and minimal sulfur content, ensuring clean expansion and stable foam structure. The product is manufactured under strict quality protocols and verified by ASTM and gas chromatography methods.

Applications

• Expandable Polystyrene (EPS) foam production
• Polyurethane (PU) foam systems
• Insulation materials requiring low boiling point blowing agents

Advantages

• Consistent composition: 40% Isopentane / 60% Normalpentane ±2%
• Low total sulfur: ≤2.0 wt ppm
• Minimal non-volatile residue: ≤100 wt ppm
• Optimized density: 0.62 ± 0.01 g/cm³
• Verified by ASTM D-287, D-5453, D-1353, and D-1364 standards
• Excellent compatibility with EPS and PU formulations

Technical Specifications

Property	Method	Unit	Specification
C4 & Lighter	Gas Chromatography	wt ppm	40 ± 2
C6 & Heavier	Gas Chromatography	wt ppm	≤ 20
Saturated Gas	Gas Chromatography	wt ppm	≤ 100
Unsaturated Gas	Gas Chromatography	wt ppm	Balance
Non-Volatile Matter	ASTM D-1353	wt ppm	≤ 100
n-Pentane	Gas Chromatography	wt %	60 ± 2
Isopentane	Gas Chromatography	wt %	40 ± 2
Density (15.6°C)	ASTM D-287	g/cm³	0.62 ± 0.01
Total Sulfur	ASTM D-5453	wt ppm	≤ 2.0
Odor	ASTM D-1364	wt ppm	≤ 100
Chemical Formula	—	—	C5H10

Primary Keyphrase: Isopentane/Normalpentane Blowing Agent

Synonym Variants:

• Pentane Blend Blowing Agent
• Hydrocarbon Foam Expander
• EPS/PU Blowing Solution
• Volatile Organic Blowing Agent
• C5 Hydrocarbon Blend
• Foam Expansion Agent
• Pentane-Based Propellant
• Polyurethane Foam Expander
• Expandable Polystyrene Agent
• Low-Boiling Point Blowing Agent

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.

The choice of blowing agent

In the insulation industry, the choice of blowing agent plays a decisive role in determining a panel’s thermal efficiency, structural strength, and environmental impact. Among the various options available today, n-Pentane stands out as one of the most efficient, economical, and environmentally friendly blowing agents for producing high-performance insulated panels.

1. Superior Thermal Performance

n-Pentane offers a low thermal conductivity value, allowing manufacturers to achieve excellent insulation performance with reduced material usage. When used in polyurethane (PU) and polyisocyanurate (PIR) foam systems, n-Pentane ensures consistent cell structure and stable insulation properties even under extreme temperature variations. This makes it an ideal choice for building envelopes, cold storage, and refrigerated transport applications.

2. Environmentally Responsible Choice

Compared with traditional CFCs and HCFCs, n-Pentane is a non-ozone-depleting hydrocarbon with zero ODP (Ozone Depletion Potential) and very low GWP (Global Warming Potential). As global regulations increasingly restrict the use of high-GWP materials, n-Pentane provides a sustainable alternative that helps manufacturers comply with environmental standards such as the EU F-Gas Regulation and the Montreal Protocol.

3. Cost Efficiency and Process Compatibility

n-Pentane not only delivers strong insulation performance but also offers significant cost advantages. It is compatible with existing foam production equipment, minimizing the need for plant modification. Its stable supply and competitive pricing make it a preferred choice for large-scale panel manufacturers seeking a balance between performance and cost control.

4. Proven Reliability in Global Applications

Leading insulation panel producers worldwide have adopted n-Pentane as their primary blowing agent. Its proven track record in both continuous and discontinuous panel production lines demonstrates its versatility and reliability. Whether for roof and wall panels, cold storage facilities, or industrial buildings, n-Pentane consistently delivers superior insulation and long-term durability.

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In summary, n-Pentane offers an exceptional balance of performance, environmental responsibility, and cost-effectiveness. As the insulation industry continues its transition toward greener technologies, n-Pentane remains a trusted choice for manufacturers striving for both efficiency and sustainability.

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Further Reading:
For a deeper understanding of how hydrocarbon blowing agents are transforming modern insulation technology, visit the European Association for Foamed Plastic Insulation (EAIPI) — an industry resource offering insights into sustainable materials, energy efficiency, and environmental compliance in foam production.

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.

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.

As global industries continue to advance toward energy efficiency and sustainable construction, demand for cost-effective and versatile raw materials is on the rise. One such material is n-Pentane 95%, widely recognized for its performance in insulation foam manufacturing and industrial solvent applications.

Why n-Pentane 95%?

Optimized Purity for Industrial Use With a guaranteed 95% purity, n-Pentane strikes the right balance between performance and cost. This grade is especially suitable for large-scale industrial applications where ultra-high purity is not necessary but consistent quality is critical. Preferred Blowing Agent in Insulation Panels n-Pentane 95% is extensively used as a blowing agent in the production of PU and PIR sandwich panels, roofing boards, and cold storage insulation panels. Its compatibility with modern production lines ensures excellent insulation performance while helping manufacturers meet regional energy-efficiency standards. Cost Efficiency Compared with higher-purity solvents, n-Pentane 95% offers a more economical solution without compromising on application results. This makes it highly attractive for companies that require regular, bulk procurement. Versatile Industrial Applications Beyond insulation materials, n-Pentane 95% is also applied in adhesives, coatings, and cleaning formulations across multiple industrial sectors. Its fast evaporation rate and solvent properties make it a reliable choice for diverse manufacturing needs.

Packaging and Logistics

n-Pentane 95% is typically supplied in ISO tanks, drums, or customized bulk packaging to meet different production scales. Our logistics partners ensure compliance with international hazardous goods regulations, guaranteeing safe and timely delivery.

Market Outlook

With construction growth across the Middle East, Asia, and beyond, the need for energy-saving insulation materials is rapidly expanding. n-Pentane 95% will remain a cornerstone raw material for manufacturers aiming to deliver high-quality, cost-effective solutions for modern infrastructure and industrial projects.