2019 High quality Pu Binder For Bonding Cork Crumb - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV
2019 High quality Pu Binder For Bonding Cork Crumb - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV Detail:
Donpanel 412 HCFC-141b base blend polyols for PUR
INTRODUCTION
DonPanel 412 blend polyols is a compound which consists of polyether polyols, surfactants, catalysts and flame retardant in a special ratio. The foam has good thermal insulation property, light in weight, high compression strength and flame retardant and other advantages. It is widely used to produce sandwich plates, corrugated plates etc, which applies to make cold stores, cabinets, portable shelters and so on.
PHYSICAL PROPERTY
| Appearance |
Light yellow transparent viscous liquid |
|
Hydroxyl value mgKOH/g |
300-360 |
|
Dynamic viscosity (25℃) mPa.S |
3000-4000 |
|
Density (20℃) g/ml |
1.05-1.16 |
|
Storage temperature ℃ |
10-25 |
|
Storage stability month |
6 |
RECOMMENDED RATIO
|
Raw materials |
pbw |
|
blend polyols |
100 |
|
Isocyanate |
100-120 |
TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)
|
items |
Manual mixing |
High Pressure Machine |
| Raw material temperature ℃ |
20-25 |
20-25 |
| Moulding temperature ℃ |
35-45 |
35-45 |
| Cream time s |
30-50 |
30-50 |
| Gel time s |
120-200 |
70-150 |
| Free density kg/m3 |
24-26 |
23-26 |
MACHINERY FOAM PERFORMANCES
| Moulding density |
GB 6343 |
≥38kg/m3 |
| Closed-cell rate |
GB 10799 |
≥90% |
| Thermal conductivity(15℃) |
GB 3399 |
≤22mW/(m.K) |
|
Compression strength |
GB/T 8813 |
≥140kPa |
| Dimensional stability 24h -20℃ |
GB/T 8811 |
≤1% |
|
24h 100℃ |
≤1.5% |
|
| Flammability(Oxygen Index) |
GB/T8624 |
>23.0 |
Product detail pictures:
Related Product Guide:
We know that we only thrive if we can guarantee our combined price tag competiveness and top quality advantageous at the same time for 2019 High quality Pu Binder For Bonding Cork Crumb - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV , The product will supply to all over the world, such as: Jamaica, Ottawa, Israel, Being guided by customer demands, aiming at improving the efficiency and quality of customer service, we constantly improve products and provide more comprehensive services. We sincerely welcome friends to negotiate business and start cooperation with us. We hope to join hands with friends in different industries to create a brilliant future.
The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.





