B2 Grade Fire Retardant Polyurethane Foam Insulation
B2 Grade Fire Retardant Polyurethane Foam Insulation 1. Description This spray blend of polyols reacts with isocyanate to produce a foam with excellent properties, including: Fine and uniform cell structure Low thermal conductivity Superior flame resistance Excellent dimensional stability at low temperatures This foam is ideal for various thermal insulation applications utilizing spray technology, such as cold storage rooms, tanks, large-scale pipelines, and building facades
B2 Grade Fire Retardant Polyurethane Foam Insulation
1. Description
This spray blend of polyols reacts with isocyanate to produce a foam with excellent properties, including:
- Fine and uniform cell structure
- Low thermal conductivity
- Superior flame resistance
- Excellent dimensional stability at low temperatures
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%
|
||
Recommended Products
Video
Video