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| 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) |
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Compressive Strength |
GB/T8813 |
≥450kPa |
|
Adhesive Strength |
GB/T16777 |
≥360kPa |
|
Elongation at break |
GB/T9641 |
≥30% |
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Dimentional Stability 24h -20ºC |
GB/T8811 |
≤1% |
|
24h 70ºC |
|
≤1.5% |
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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.
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