



Chemical & Plastics
B1 Fire Retardant Polyurethane Foam Gun Type
Certifications
DIN 4102 B1 Fire Class
Description
B1 fire-retardant polyurethane foam gun product with excellent adhesion and self-extinguishing properties, suitable for door and window installation, gap filling, and thermal/acoustic insulation. Complies with DIN 4102 B1 fire rating, environmentally friendly, CFC-free.
Specifications
| Base | Polyurethane |
| Colour | White |
| Shrink | None |
| Yield (L) | 28 |
| Consistency | Stable Foam |
| Drying Time | Dust-free after 12-14 min. |
| Curing System | Moisture-curing |
| Cellular Structure | >84% close cells |
| Cutting Time (min) | 50~60 |
| Tack-Free Time (min) | 7~8 |
| Fire Class (DIN 4102) | B1 |
| Water Absorption (ML) | 0.3~8(no epidermis) / <0.1(with epidermis) |
| Temperature Resistance | -50℃~+80℃ |
| Tensile Strength (kPa) | 170 |
| Adhesive Strength (kPa) | 135 |
| Specific Gravity (kg/m³) | 20 |
| Compressive Strength (kPa) | 130 |
| Insulation Factor (MW/m.k) | 0.041 |
| Application Temperature Range | +18℃~+30℃ |
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