Qingdao Exceed Fine Chemicals Co.,Ltd
The most professional solution provider of polyurethane and rubber chemicals!
Add to Cart
B2 Grade Fire Retardant Polyurethane Foam Insulation
This spray blend of polyols reacts with isocyanate to produce a foam with excellent properties, including:
This foam is ideal for various thermal insulation applications utilizing spray technology, such as cold storage rooms, tanks, large-scale pipelines, and building facades.
2. Properties
| Hydroxyl Value | 310-380 mgKOH/g | Gel Time | 6-10 s |
| Dynamic Viscosity (25 ℃) | 100-200 (1200-1500 without HCFC-141B) mpa.s | ||
| Specific gravity (20 ℃) | 1.05-1.08 g/ml | Spray Density | ≥35kg/m3 |
| Storage Temperature | 10-25 ℃ | Compressive Strength | ≥150KPa |
| Storage Stability | 6 month | Adhesive Strength | ≥120KPa |
| Recommended Ratio | Blend polyols:Isocyanate=1:1-1.1 | ||
| Closed-cell Rate | ≥92% | Water Absorption | ≤1.5% |
| Dimensional Stability | -20℃ 24h | ≤1% | |
| 70℃ 24h | ≤1.5% | ||
