China High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV Manufacturer and Supplier

High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV

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

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"Quality initial, Honesty as base, Sincere support and mutual profit" is our idea, so as to build repeatedly and pursue the excellence 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: Mexico, Melbourne, Riyadh, To let customers be more confident in us and get the most comfortable service, we run our company with honesty, sincerity and best quality . We firmly believe that it is our pleasure to help customers to run their business more successfully, and that our professional advice and service can lead to more suitable choice for the customers.

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The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!