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 insist on the principle of development of 'High quality, Efficiency, Sincerity and Down-to-earth working approach' to provide you with excellent service of processing 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: Ukraine, Paraguay, Barcelona, Our company's main items are widely used all over the world; 80% of our products and solutions exported to the United States, Japan, Europe and other markets. All stuff sincerely welcome guests come to visit our factory.
  • The factory technical staff gave us a lot of good advice in the cooperation process, this is very good, we are very grateful.
    5 Stars By Antonio from Ecuador - 2017.11.12 12:31
    Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
    5 Stars By Jo from Barcelona - 2017.08.18 11:04
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