Fast delivery Three Component Mdi Polyurethane System Mdi - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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Fast delivery Three Component Mdi Polyurethane System Mdi - 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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Fast delivery Three Component Mdi Polyurethane System Mdi - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV detail pictures


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It adheres on the tenet "Honest, industrious, enterprising, innovative" to develop new items frequently. It regards buyers, success as its very own success. Let us produce prosperous future hand in hand for Fast delivery Three Component Mdi Polyurethane System Mdi - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Belarus, kazan, Sacramento, Custom orders are acceptable with different quality grade and customer's especial design. We are looking forward to establish the good and successful cooperation in business with long terms from the customers of all over the world.
  • The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Jocelyn from Mexico - 2017.09.28 18:29
    The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Margaret from Panama - 2017.12.19 11:10
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