China China Cheap price Solvent Resistance Curing System - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV Manufacturer and Supplier

China Cheap price Solvent Resistance Curing System - Donpanel 422 HCFC-141b base blend polyols for continuous PUR – INOV

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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.

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We always get the job done being a tangible workforce making sure that we can easily give you the very best quality as well as finest selling price 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: El Salvador, Argentina, moldova, We have won a good reputation among overseas and domestic clients. Adhering to the management tenet of "credit oriented, customer first, high efficiency and mature services", we warmly welcome friends from all walks of life to cooperate with us.

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The company keeps to the operation concept "scientific management, high quality and efficiency primacy, customer supreme", we have always maintained business cooperation. Work with you,we feel easy!

By Colin Hazel from Greece - 2017.01.28 19:59

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!

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