Multi-product classification
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We are the agent and manufacturer of polyurethane products.
Physical Property:
|
Appearance |
|
Light yellow transparent liquid |
|
Hydroxyl Value |
mgKOH/g |
300-360 |
|
Dynamic Viscosity /25℃ |
mPa.s |
250-500 |
|
Specific Gravity /20℃ |
g/ml |
1.10-1.15 |
|
Storage Temperature |
℃ |
10-25 |
|
Pot life |
Month |
6 |
Recommended ratio:
|
|
pbw |
|
Blend polyols |
100 |
|
ISO |
115-125 |
Technology and Reactivity Characteristics（the actual value varied as per process conditions）:
|
|
Manual Mixing (low pressure machine) |
High Pressure Machine Mixing |
|
|
Material Temperature |
℃ |
20-25 |
20-25 |
|
Mould Temperature |
℃ |
35-40 |
35-40 |
|
Cream Time |
s |
12±2 |
10±2 |
|
Gel time |
s |
70-90 |
50-70 |
|
Tack free time |
s |
100-120 |
80-100 |
|
Free density |
kg/m3 |
23-25 |
23-25 |
Foam Performances:
|
Moulding Density |
GB/T 6343 |
≥32kg/m3
|
|
Closed-cell Rate |
GB/T 10799 |
≥92%
|
|
Thermal Conductivity（15℃） |
GB/T 3399 |
≤19 mW/(m.K)
|
|
Compressive strength |
GB/T 8813 |
≥150kPa
|
|
Dimensional stability |
GB/T 8811 |
|
|
24h -20℃ |
|
≤0.5%
|
|
24h 100℃ |
|
≤1.0% |
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