China Cheap price Solvent Resistance Curing System - Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam – INOV

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China Cheap price Solvent Resistance Curing System - Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam – INOV Detail:

Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam

INTRODUCTION

DonFoam 824/PIR  is a kind of blend polyols using hfc-245fa foaming agent, with polyol as the main raw material, mixed with special auxiliary agent, suitable for the insulation of construction, transportation, shell and other products. This material is specially developed for continuous line .The polyurethane product prepared by reacting it with isocyanate has the following advantages:

– Eco-friendly, without destroying the ozone layer

– High compressive strength and good homogeneity of isotropic strength

– Excellent thermal insulation performance and dimensional stability

PHYSICAL PROPERTY

 

DonFoam 824/PIR

Appearance

OH value                   mgKOH/g

Dynamic viscosity(25℃)      mPa.S

Density   (20℃)      g/ml

Storage temperature              ℃

Storage stability ※          months

Light yellow to brown transparent liquid

250-400

300-500

1.15-1.25

10-25

3

RECOMMENDED RATIO

 

Pbw

DonFoam824/PIR

Isocyanate

100

150-200

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

 

Manual Mix

High pressure

Raw Material Temperature      °C

Cream time       S

Gel time      S

Free density  Kg/m3

20-25

20-50

160-300

40-50

20-25

15-45

140-260

40-50

FOAM PERFORMANCES

Overall Molding Density

Closed-cell Rate

Initial Thermal Conductivity(15℃)

Compressive Strength

Dimensional Stability   24h  -20℃

24h  100℃

Flammability

GB/T 6343

 GB/T 10799

GB/T 3399

GB/T 8813

GB/T 8811

 

GB/T 8624

≥40 Kg/m3

≥90%

≤22mW/m.k

≥150 KPa

≤0.5%

≤1.0%

B2、B1


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China Cheap price Solvent Resistance Curing System - Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam – INOV detail pictures


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Our staff through skilled training. Skilled skilled knowledge, potent sense of company, to satisfy the provider requirements of consumers for China Cheap price Solvent Resistance Curing System - Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: British, Detroit, Cannes, We've established long-term, stable and good business relationships with many manufacturers and wholesalers around the world. Currently, we've been looking forward to even greater cooperation with overseas customers based on mutual benefits. You should feel free to contact us for more details.
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