China Professional China Low Hardness Polyurethane System - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV Manufacturer and Supplier

Professional China Low Hardness Polyurethane System - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV

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Our personnel are always in the spirit of "continuous improvement and excellence", and with the superior quality products, favorable price and good after-sales services, we try to win every customer's trust for Cyclopentane, Polyurethane&Polyurea Coating, Tpu Hot-Melt Adhesive Granules, We look forward to establish a long-term business relationship with your esteem co-operation.

Professional China Low Hardness Polyurethane System - 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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We are experienced manufacturer. Wining the majority of the crucial certifications of its market for Professional China Low Hardness Polyurethane System - Donpanel 412 HCFC-141b base blend polyols for PUR – INOV , The product will supply to all over the world, such as: Grenada, Liberia, British, 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 supplier cooperation attitude is very good, encountered various problems, always willing to cooperate with us, to us as the real God.

By Karen from Japan - 2017.06.25 12:48

With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.

By Clara from French - 2018.11.22 12:28

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