Categories | Polyurethane Rigid Foam |
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Brand Name: | EXCEEDCHEM |
Model Number: | pu rigid foam |
Certification: | ISO9001:2018 |
Place of Origin: | China |
MOQ: | 20mt/20ft |
Price: | FOB Qingdao usd1.0/kg |
Payment Terms: | L/C, T/T |
Supply Ability: | 3000mt/month |
Delivery Time: | 5-8 work days |
Packaging Details: | 20kg/drum; 200kg/drum |
Two Component Rigid Foam Closed Cell Spray Insulation Liquid Polyurethane Raw Material Blend Polyol Isocyanate Mdi For F
1. Description
This is spray blend polyols, it reacts with isocyanate to produce foam which has excellent performances, which are as follows:
It applies to all kinds of thermal insulation engineering which uses the spray technology, such as cold rooms, pots, large-scale pipelines and construction metope etc.
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% |