China OEM 750ml 500ml 300ml Adhesive Fire Retardant Building Industry Chemical Raw Materials Glue Sealant Polyurethane PU Foam Spray, Find details about China 750ml PU Foam, Fire Retardant Polyurethane Foam from OEM 750ml 500ml 300ml Adhesive Fire Retardant Building Industry Chemical Raw Materials Glue Sealant Polyurethane PU Foam Spray
Base | Polyurethane |
Tack-Free Time (min) | 8~15 |
Drying Time | Dust-free after 20-25 min. |
Cutting Time (hour) | 1 (+25ºC) 8~12 (-10ºC) |
Yield (L) | 50 |
Shrink | None |
Post Expansion | None |
Cellular Structure | 80~90% closed cells |
Specific Gravity (kg/m³)Density | 20-25 |
Temperature Resistance | -40ºC~+80ºC |
Application Temperature Range | -5ºC~+35ºC |
Fire Class (DIN 4102 ) | B3 |
Insulation Factor (Mw/m.k) | <20 |
Compressive Strength (N/c) | >4.8 |
Tensile Strength (N/c) | >7 |
Adhesive Strengh(kPa) | >120 |
Water Absorption (ML) | 0.3~8(no epidermis) <0.1(with epidermis) |