Wholesale Doncool 104 Hfc-245fa Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV

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Our concentrate on should be to consolidate and enhance the quality and service of present products, meanwhile consistently produce new products to meet unique customers' demands for Ms Sealant&Ms Polymer, Shoe Sole, Pu Raw Material, We have four leading products. Our products are best sold not only in the Chinese market, but also welcomed in the international market.
Wholesale Doncool 104 Hfc-245fa Base Blend Polyols - 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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Wholesale Doncool 104 Hfc-245fa Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV detail pictures


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Our business puts emphasis over the administration, the introduction of talented staff, plus the construction of team building, attempting hard to boost the standard and liability consciousness of personnel customers. Our corporation successfully attained IS9001 Certification and European CE Certification of Wholesale Doncool 104 Hfc-245fa Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Nepal, Guatemala, Norway, Each product is carefully made, it will make you satisfied. Our products in the production process have got strictly monitored, because it is only to provide you the best quality, we will feel confident. High production costs but low prices for our long-term cooperation. You can have a variety choices and the value of all types are same reliable. If you have any question, do not hesitate to ask us.
  • Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
    5 Stars By Marcia from Manchester - 2017.10.23 10:29
    Cooperate with you every time is very successful, very happy. Hope that we can have more cooperation!
    5 Stars By Isabel from Romania - 2017.02.28 14:19
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