China Factory Cheap Hot Refrigerator&Insulation Containers - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV Manufacturer and Supplier

Factory Cheap Hot Refrigerator&Insulation Containers - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV

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We will constantly satisfy our respected customers with our good excellent, superior value and superior assistance due to we're additional experienced and far more hard-working and do it in cost-effective way for Pu Insulation Material, Pu Sport Flooring, Stearic Alcohol Ethoxylates, We wholeheartedly welcome customers all over the world come to visit our factory and have a win-win cooperation with us!

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℃	GB/T 8811	≤1.5%
Flammability（Oxygen Index）	GB/T8624	>23.0

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High quality Very first,and Shopper Supreme is our guideline to offer the most beneficial company to our clients.Nowadays, we're hoping our best to be certainly one of the top exporters in our area to satisfy consumers additional will need for Factory Cheap Hot Refrigerator&Insulation Containers - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV , The product will supply to all over the world, such as: Brisbane, Egypt, Greek, All of our products comply with international quality standards and are greatly appreciated in a variety of markets around the world. 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 in the near future.

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We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.