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Chinese Professional Pu System For Pipeline Insulation - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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  • Chinese Professional Pu System For Pipeline Insulation - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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We're commitment to offer you the aggressive cost ,superb products and solutions top quality, too as fast delivery for Adhesive Series, Car Seat, Donspray 504 Hfc-245fa Base Blend Polyols, We will make greater efforts to help domestic and international buyers, and create the mutual benefit and win-win partnership between us. we are eagerly waiting for your sincerely cooperation.
Chinese Professional Pu System For Pipeline Insulation - 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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Chinese Professional Pu System For Pipeline Insulation - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV detail pictures

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"Quality initially, Honesty as base, Sincere company and mutual profit" is our idea, in order to create repeatedly and pursue the excellence for Chinese Professional Pu System For Pipeline Insulation - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Auckland, Jersey, Australia, To let customers be more confident in us and get the most comfortable service, we run our company with honesty, sincerity and best quality . We firmly believe that it is our pleasure to help customers to run their business more successfully, and that our experienced advice and service can lead to more suitable choice for the customers.

    • Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!
    5 Stars By Carey from South Africa - 2018.05.15 10:52
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Adelaide from Cologne - 2017.12.09 14:01
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