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High reputation Castable Polyurethane Shoe Mould Prepolymer - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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  • High reputation Castable Polyurethane Shoe Mould Prepolymer - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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High reputation Castable Polyurethane Shoe Mould Prepolymer - 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 reputation Castable Polyurethane Shoe Mould Prepolymer - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV detail pictures

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We now have a skilled, performance team to supply good quality services for our consumer. We often follow the tenet of customer-oriented, details-focused for High reputation Castable Polyurethane Shoe Mould Prepolymer - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Auckland, South Africa, Detroit, We have our own registered brand and our company is developing rapidly owing to high quality products, competitive price and excellent service. We sincerely hope to establish business relations with more friends from home and abroad in the near future. We look forward to your correspondence.

    • Reasonable price, good attitude of consultation, finally we achieve a win-win situation,a happy cooperation!
    5 Stars By Dinah from Portugal - 2017.04.18 16:45
    The sales manager is very patient, we communicated about three days before we decided to cooperate, finally, we are very satisfied with this cooperation!
    5 Stars By Teresa from Slovenia - 2018.12.28 15:18
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