China 100% Original Castable Polyurethane Shoe Upper Prepolymer - Donfoam 822PIR HCFC-141B base blend polyols for continuous PIR block foam – INOV Manufacturer and Supplier

100% Original Castable Polyurethane Shoe Upper Prepolymer - Donfoam 822PIR HCFC-141B base blend polyols for continuous PIR block foam – INOV

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100% Original Castable Polyurethane Shoe Upper Prepolymer - Donfoam 822PIR HCFC-141B base blend polyols for continuous PIR block foam – INOV Detail:

Donfoam 822PIR HCFC-141B base blend polyols for continuous PIR block foam

INTRODUCTION

DonFoam 822/PIR is a kind of blend polyols with hcfc-141b 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:

1. Foam has uniform strength and dimensional stability in all directions

2. The foam products can be cut into different shapes according to the requirements of the product

3. Excellent thermal insulation performance

PHYSICAL PROPERTY

DonFoam 812/PIR

Appearance

OH value mgKOH/g

Dynamic viscosity （25℃） mPa.S

Density （20℃） g/ml

Storage temperature ℃

Storage stability ※ /month

Light yellow to brown transparent liquid

150-250

200-300

1.15-1.25

10-25

RECOMMENDED RATIO

Pbw

DonFoam 812/PIR

Isocyanate

100

150-200

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

Manual Mix

High pressure

Raw Material Temperature ℃

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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Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for 100% Original Castable Polyurethane Shoe Upper Prepolymer - Donfoam 822PIR HCFC-141B base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: Israel, Surabaya, Sevilla, As an experienced factory we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of the company is to live a satisfactory memory to all the customers, and establish a long term win-win business relationship. For more information, please contact us. And It is our great pleasure if you like to have a personally meeting in our office.

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The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.

By Sophia from Cannes - 2017.08.15 12:36

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.

By Fernando from Philadelphia - 2017.01.28 18:53

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