Description
Pentane 20/80 blowing agent is a blend of 20% n-Pentane and 80% Isopentane, formulated as a fast-evaporating physical blowing agent for expandable polymer applications.
Pentane 20/80 Blowing Agent — Applications
- Expandable Polystyrene (EPS) blowing agent
- Aerosol propellant
- Electronic component precision cleaning solvent
Specifications
- Chemical composition: 20% n-Pentane (CAS 109-66-0) / 80% Isopentane (CAS 78-78-4)
- Total Pentanes content: ≥ 98.0 wt%
- Density (20°C): 615 – 630 kg/m³
- C4 and lighter components: ≤ 1.0 wt%
- C6 and heavier fractions: ≤ 1.0 wt%
Transport & Regulatory
- UN Number: UN 1265
- Hazard Class: 3, Packing Group I
- Packaging: ISO Tank (25–26 m³, 14.7–15.5 MT)
Certificate of Analysis (COA) and Safety Data Sheet (SDS/MSDS) are available for every shipment upon request, and final specifications are governed by the batch-specific COA rather than this datasheet.
Note: Final specification is subject to the actual factory test result and Certificate of Analysis (COA).
This 20/80 ratio is one of nine n-Pentane/Isopentane blends available (Group 1 of 3 in the full Pentane Blowing Agents ratio range), alongside separate Cyclopentane/n-Pentane and Cyclopentane/Isopentane groups for PU-grade applications.
| Property |
Value |
| Form |
Liquid |
| Appearance |
Clear, colorless liquid |
| Density (20°C) |
615 – 630 kg/m³ |
| Total Pentanes |
≥ 98.0 wt% |
| C4 and Lighter |
≤ 1.0 wt% |
| C6 and Heavier |
≤ 1.0 wt% |
This technical data reflects our current product specifications and may not always reflect the latest version — please contact us for the most current documentation.