Tag Foam Insulation

Isopentane/Normalpentane Blend 40/60” in a clean warehouse setting, with EPS foam blocks and PU insulation panels in the background. generate a featured image
pentane blends

High-Purity Blowing Agent for EPS & PU: Isopentane/Normal Pentane Blend (40/60)

by Manufacturers, Producers, Suppliers

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

PropertyMethodUnitSpecification
C4 & LighterGas Chromatographywt ppm40 ± 2
C6 & HeavierGas Chromatographywt ppm≤ 20
Saturated GasGas Chromatographywt ppm≤ 100
Unsaturated GasGas Chromatographywt ppmBalance
Non-Volatile MatterASTM D-1353wt ppm≤ 100
n-PentaneGas Chromatographywt %60 ± 2
IsopentaneGas Chromatographywt %40 ± 2
Density (15.6°C)ASTM D-287g/cm³0.62 ± 0.01
Total SulfurASTM D-5453wt ppm≤ 2.0
OdorASTM D-1364wt 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
High-purity Cyclopentane and Isopentane Pentane Blends used as PU and EPS foam blowing agents in insulation and solvent applications.
EPS Foam, PU Foam

Pentane Blends for PU and EPS Foam Applications | Cyclopentane & Isopentane Solutions

by Manufacturers, Producers, Suppliers

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.

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

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

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

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

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

Applications Across Industries

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

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.

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.