High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV
High definition Donspray 502 Hcfc-141b Base Blend Polyols - 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:
Quality comes first; service is foremost; business is cooperation" is our business philosophy which is constantly observed and pursued by our company for High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV , The product will supply to all over the world, such as: Lithuania, European, Mexico, We've been adhering to the philosophy of "attracting customers with the best items and excellent service". We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.
By Sandra from Riyadh - 2017.04.18 16:45
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
By Ricardo from Norwegian - 2017.08.18 18:38
