Color: | White |
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Certification: | ISO, CE |
Feature: | Wear-resistant, Impact-resistant, Heat-resistant |
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Polyurethane Spray Foam PU Raw Material With Good Price
Physical Properties
Appearance |
|
Pale yellow to brown viscous liquid |
Hydroxyl Value |
mgKOH/g |
200-300 |
Dynamic Viscosity (25 ºC) |
mpa.s |
300-500 |
Specific gravity (20 ºC ) |
g/ml |
3.12-3.20 |
Storage Temperature |
ºC |
10-35 |
Storage Stability |
month |
6 |
Recommended Ratio
|
pbw |
DQT-501A blend polyols Isocyanate |
100 100-105 |
Reactivity Characteristics
Component temperature is 20ºC, the actual value is varied according to pipe diameter and processing condition.
Cream Time |
3-5s |
Gel Time |
6-10s |
Foam Performances
items |
Test Method |
Index |
Density |
GB 6343 |
120-150 kg/m3 |
Closed-cell Rate |
GB 10799 |
≥90% |
Initial Thermal Conductivity(15ºC) |
GB 3399 |
≤24mW/(m.K) |
Compressive Strength |
GB/T8813 |
≥450kPa |
Adhesive Strength |
GB/T16777 |
≥360kPa |
Elongation at break |
GB/T9641 |
≥30% |
Dimentional Stability 24h -20ºC |
GB/T8811 |
≤1% |
24h 70ºC |
|
≤1.5% |
Water Absorption |
GB 8810 |
≤3% |
Oxygen Index |
GB 8624 |
≥26 |
The data provided above are typical value, which are tested by our company. For our company's
products, the data included in the law do not have any constraints.