Bottom price Castable Polyurethane Gel Insole Prepolymer - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV
Bottom price Castable Polyurethane Gel Insole Prepolymer - 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:
Attaining consumer satisfaction is our company's purpose without end. We will make wonderful endeavours to produce new and top-quality merchandise, satisfy your exclusive requirements and supply you with pre-sale, on-sale and after-sale services for Bottom price Castable Polyurethane Gel Insole Prepolymer - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV , The product will supply to all over the world, such as: Hongkong, Chicago, Qatar, Customer satisfaction is our goal. We are looking forward to cooperating with you and providing our best services for you. We warmly welcome you to contact us and please feel free to contact us. Browse our online showroom to see what we can do for you. And then E-mail us your specifications or inquiries today.
By Miguel from Sri Lanka - 2017.08.18 11:04
This supplier offers high quality but low price products, it is really a nice manufacturer and business partner.
By Ella from Estonia - 2017.09.29 11:19