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:
Using a complete scientific top quality management program, great high-quality and fantastic religion, we win great track record and occupied this area 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: kazan, Brisbane, Paraguay, Our products are mainly exported to Southeast Asia, the Middle East, North America and Europe. Our quality is surely guaranteed. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future.
By Michelle from Malaysia - 2017.07.28 15:46
The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
By Arabela from Hyderabad - 2018.09.16 11:31