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

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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℃

≤1.5%

Flammability(Oxygen Index)

GB/T8624

>23.0


Product detail pictures:

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

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


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we are able to supply top quality items, aggressive price and greatest buyer assistance. Our destination is "You come here with difficulty and we offer you a smile to take away" 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: Romania, Armenia, India, Furthermore, all of our items are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. If you are interested in any of our goods, please don't hesitate to contact us. We will do our best to meet your needs.
  • This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
    5 Stars By Norma from Salt Lake City - 2017.09.30 16:36
    This is a very professional and honest Chinese supplier, from now on we fell in love with the Chinese manufacturing.
    5 Stars By Helen from Argentina - 2018.12.11 11:26
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