Professional China Low Hardness Polyurethane System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV

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Professional China Low Hardness Polyurethane System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV Detail:

Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam

INTRODUCTION

Donfoam825 blend polyether polyol used in the manufacture of high flame retardant PIR block foam with HFC-365mfc/227 as foaming agent, products and isocyanate reaction by the formation of the foam has uniform foam 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               

Light yellow to brown transparent liquid

Dynamic viscosity(25℃)   mPa.S

300±100

Density    (20℃)         g/ml

1.20±0.1

Storage temperature           ℃

10-25

Storage stability             month

6

RECOMMENDED RATIO

Raw materials

pbw

DK-1101  Blend Polyether Polyol

100

Isocyanate

180±20

TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)

Items

Manual mixing

High pressure machine

Raw material temperature   ℃

20-25

20-25

Mould temperature        ℃

50-60

50-60

Cream time              s

25-35

20-30

Gel time                 s

90.-130

70-100

Tack free time             s

150-200

120-160

Free density            kg/m3

28-30

27-29

MACHINERY FOAM PERFORMANCES

Overall Mold density GB 6343

≥45kg/m3

Molding Core Density

≥40kg/m3

Closed-cell Rate GB 10799 ≥90%
Initial Thermal Conductivity(15℃) GB 3399

≤24mW/(m.K)

Compressive Strength GB/T8813

≥150kPa

Dimentional Stability   24h  -20℃

24h   70℃

GB/T8811

≤1%

≤1.5%

Water Absorption Rate GB 8810

≤3%

Flammability GB 8624

B1/B2/B3

Closed-cell Rate GB 10799

≥90%

Initial Thermal Conductivity(15℃) GB 3399

≤24mW/(m.K)

The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.


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Professional China Low Hardness Polyurethane System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV detail pictures


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Our workforce through professional training. Skilled professional knowledge, solid sense of service, to fulfill the services demands of consumers for Professional China Low Hardness Polyurethane System - Donfoam 825PIR HFC-365mfc base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: Greece, Guatemala, Lesotho, Upon today, we've customers from all over the world, including USA, Russia, Spain, Italy, Singapore, Malaysia, Thailand, Poland, Iran and Iraq. The mission of our company is to provide the highest quality products with best price. We've been looking forward to doing business with you.
  • The factory has advanced equipment, experienced staffs and good management level, so product quality had assurance, this cooperation is very relaxed and happy!
    5 Stars By Elma from Morocco - 2017.02.14 13:19
    The company account manager has a wealth of industry knowledge and experience, he could provide appropriate program according our needs and speak English fluently.
    5 Stars By John biddlestone from Estonia - 2018.06.26 19:27
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