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2019 High quality Pu Binder For Bonding Cork Crumb - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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  • 2019 High quality Pu Binder For Bonding Cork Crumb - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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2019 High quality Pu Binder For Bonding Cork Crumb - 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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2019 High quality Pu Binder For Bonding Cork Crumb - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV detail pictures

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We have now probably the most innovative production equipment, experienced and qualified engineers and workers, regarded high quality control systems and also a friendly expert income team pre/after-sales support for 2019 High quality Pu Binder For Bonding Cork Crumb - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Salt Lake City, Singapore, Hungary, We can meet the various needs of customers at home and abroad. We welcome new and old customers to come to consult & negotiate with us. Your satisfaction is our motivation! Let us work together to write a brilliant new chapter!

    • We have been appreciated the Chinese manufacturing, this time also did not let us disappoint,good job!
    5 Stars By Juliet from belarus - 2017.08.18 18:38
    This is a reputable company, they have a high level of business management, good quality product and service, every cooperation is assured and delighted!
    5 Stars By Caroline from India - 2018.03.03 13:09
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