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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Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, have confidence in the very first and management the advanced" for Softening Point, Casting Polyurethane, Automotive Industry, Together with the everlasting target of "continuous top quality improvement, customer satisfaction", we have been sure that our products high quality is stable and trustworthy and our solutions are best-selling at your home and overseas.

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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Bear "Customer first, High quality first" in mind, we perform closely with our consumers and provide them with efficient and experienced services 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: Detroit, Netherlands, Ukraine, Qualified R&D engineer will be there for your consultation service and we will try our best to meet your requirements. So please feel free to contact us for inquiries. You'll be able to send us emails or call us for small business. Also you are able to come to our business by yourself to get further knowing of us. And we will surely give you the best quotation and after-sale service. We're ready to build stable and friendly relations with our merchants. To achieve mutual success, we will make our best efforts to build a solid co-operation and transparent communication work with our companions. Above all, we are here to welcome your inquiries for any of our goods and service.

Castable Polyurethane Prepolymer