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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"Based on domestic market and expand overseas business" is our development strategy for Polyester/Tdi Type, Iaaf Running Track Iaaf, Refrigerator&Insulation Containers, We would like to take this opportunity to establish long-term business relationships with clients from all over the world.

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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"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our company for the long-term to develop together with customers for mutual reciprocity and mutual benefit 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: Benin, Lahore, Colombia, There are advanced producing & processing equipment and skilled workers to ensure the products with high quality. We have found an excellent before-sale, sale, after-sale service to ensure the customers that could rest assured to make orders. Until now our products are now moving on fast and very popular in South America, East Asia, the Middle east, Africa, etc.

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It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!

By Jean Ascher from Montreal - 2017.09.29 11:19

This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!

By Alex from Liverpool - 2018.12.30 10:21

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