High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV Detail:

Donfoam 812 HCFC-141B base blend polyols for block foam

INTRODUCTION

Donfoam 812 blend polyether polyols used for produce PUR block foam. The foam has uniform cell , low thermal conductivity, thermal insulation performance is good, flame retardant performance is good, low temperature no shrinking crack etc.

Widely used in the process of all kinds of insulation work such as: building external wall, cold storage, tanks, large pipes etc.

PHYSICAL PROPERTY

Appearance

Dynamic viscosity (25℃)      mPa.S

Density (20℃)              g/ml

Storage temperature              ℃

Storage stability                 month

Light yellow to brown transparent liquid

250±50

1.17±0.1

10-25

6

RECOMMENDED RATIO

Items

PBW

Blend Polyether Polyol

Isocyanate

100

130

TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)

 

Manual Mixing

Raw Material Temperature   ℃

Mould Temperature        ℃

CT                       s

GT                       s

TFT                      s

Free Density            kg/m3

20-25

Ambient Temperature(15-45℃ )

35-60

140-180

240-260

26-28

FOAM PERFORMANCES

Item

Test Standard

Specification

Overall Molding Density

Molding Core Density

GB 6343

40-45kg/m3

38-42kg/m

Closed-cell Rate

GB 10799

≥90%

Initial Thermal Conductivity(15℃)

GB 3399

≤24mW/(m.K)

Compressive Strength

GB/T8813

≥150kPa

Dimensional Stability  

                    24h      -20℃

                    RH90     70℃   

GB/T8811

≤1%

≤1.5%

Water Absorption Rate

GB 8810

≤3%

Flammability

ASTM E84

Class A


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High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV detail pictures


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Our primary intention should be to offer our clientele a serious and responsible enterprise relationship, delivering personalized attention to all of them for High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Montreal, Latvia, Rwanda, We are proud to supply our products to every costumer all around the world with our flexible, fast efficient services and strictest quality control standard which has always approved and praised by customers.
  • The product manager is a very hot and professional person, we have a pleasant conversation, and finally we reached a consensus agreement.
    5 Stars By Annabelle from Serbia - 2017.08.15 12:36
    As an international trading company, we have numerous partners, but about your company, I just want to say, you are really good, wide range, good quality, reasonable prices, warm and thoughtful service, advanced technology and equipment and workers have professional training, feedback and product update is timely, in short, this is a very pleasant cooperation, and we look forward to the next cooperation!
    5 Stars By Jill from Congo - 2017.05.02 18:28
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