Factory Cheap Hot Refrigerator&Insulation Containers - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV
Factory Cheap Hot Refrigerator&Insulation Containers - 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:
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By Maggie from Barcelona - 2017.11.29 11:09
We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!
By Bertha from Eindhoven - 2018.11.06 10:04