// SPEC · Foam Insulation
PIR Foam Board 40 kg/m³ B1 Fire-Rated
Polyisocyanurate (PIR) foam board, 40 kg/m³, fire class B1 per GB 8624. Superior thermal and fire performance for industrial buildings, petrochemical plants, and fire-rated facade assemblies.
// Key Features
- B1 fire rating with low smoke emission and limited flame spread
- Higher heat resistance than standard PU up to 150°C service
- Excellent thermal efficiency retained in fire-rated assemblies
- Compatible with aluminum foil, glass fleece, and steel facers
// Technical Specifications
| Fire Class | B1 |
| Water Absorption (%) | 2 |
| Bulk Density (kg/m³) | 40 |
| Compressive Strength (kPa) | 200 |
| Thermal Conductivity (W/m·K) | 0.022 |
// Applications
Industrial building fire-rated insulation wall panelsPetrochemical plant piping and equipment claddingPower station auxiliary building envelope insulationFire-rated roof insulation board assembliesLNG terminal facility fire-rated wall insulation
// Quick Specs
Max Temperature150°C
Thermal Conductivity0.022 W/(m·K) at 25°C
Density40 kg/m³
StandardGB/T 21558-2008 / GB 8624-2012
// Get Pricing
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