China 2019 wholesale price Castable Polyurethane Prepolymer - Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam – INOV Manufacturer and Supplier

2019 wholesale price Castable Polyurethane Prepolymer - Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam – INOV

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Our solutions are widely regarded and trustworthy by consumers and may meet continually modifying financial and social requirements for Pu Raw Material, Three Component Mdi Polyurethane System Mdi, Transparent Film, Leading the trend of this field is our persistent goal. Providing first class products is our aim. To create a beautiful future, we would like to cooperate with all friends at home and abroad. Should you have any interest in our products, please do not hesitate to contact us.

2019 wholesale price Castable Polyurethane Prepolymer - 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

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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Our business aims to operating faithfully, serving to all of our clients , and working in new technology and new machine continuously for 2019 wholesale price Castable Polyurethane Prepolymer - Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: New York, Iran, US, Our factory is equipped with complete facility in 10000 square meters, which makes us be able to satisfy the producing and sales for most auto part solutions. Our advantage is full category, high quality and competitive price! Based on that, our products win a high admiration both at home and abroad.

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The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.