China Cheap price Solvent Resistance Curing System - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV
China Cheap price Solvent Resistance Curing System - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV Detail:
Donpanel 422 HCFC-141b base blend polyols for continuous PUR
INTRODUCTION
DonPanel 422/ PUR blend polyols is a compound which consists of polyether polyols, surfactants, catalysts, HCFC-141B 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 continuous sandwich panels, corrugated panels 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 |
300-340 |
|
Dynamic viscosity （25℃） mPa.S |
300-400 |
|
Density （20℃） g/ml |
1.12-1.16 |
|
Storage temperature ℃ |
10-25 |
|
Storage stability month |
6 |
RECOMMENDED RATIO
|
Raw materials |
PBW |
|
DonPanel 422 blend polyols |
100 |
|
Isocyanate |
120-130 |
TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)
|
Items |
Manual mixing |
High temperature machine |
|
Raw material temperature ℃ |
20-25 |
20-25 |
|
Mould temperature ℃ |
35-45 |
35-45 |
|
Cream time s |
8-16 |
6-10 |
|
Gel time s |
30-60 |
30-40 |
|
Free density kg/m3 |
28.0-35.0 |
33.0-35.0 |
FOAM PERFORMANCES
|
Mold density |
GB 6343 |
≥40kg/m3 |
|
Closed-cell rate |
GB 10799 |
≥90% |
|
Thermal conductivity（15℃） |
GB 3399 |
≤22mW/(m.K) |
|
Compression strength |
GB/T 8813 |
≥140kPa |
|
Adhesive strength |
GB/T 16777 |
≥120kPa |
|
Dimensional stability 24h -20℃ 24h 100℃ |
GB/T 8811 |
≤1% ≤1.5% |
|
Flame retardant grade |
GB/T8624 |
B2 |
The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.
Product detail pictures:
Related Product Guide:
We believe that prolonged expression partnership is really a result of top of the range, value added support, rich encounter and personal contact for China Cheap price Solvent Resistance Curing System - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV , The product will supply to all over the world, such as: Congo, Singapore, Kenya, We are looking forward to establishing a mutually beneficial relationship with you based on our high-quality products, reasonable prices and best service. We hope that our products will bring you a pleasant experience and carry a feeling of beauty.
By Ella from Nepal - 2018.06.30 17:29
We are really happy to find such a manufacturer that ensuring product quality at the same time the price is very cheap.
By Andrea from Kenya - 2018.02.04 14:13
