China Low price for Modified Silane Rasin.Water-Stop Groutings - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV Manufacturer and Supplier

Low price for Modified Silane Rasin.Water-Stop Groutings - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV

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Low price for Modified Silane Rasin.Water-Stop Groutings - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV Detail:

Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam

INTRODUCTION

DonFoam 812/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.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

Tack free time S

Free density Kg/m³

20-25

30-50

140-180

300-350

28-32

20-25

25-45

120-160

270-320

27-31

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

≥50 Kg/m3

≥90%

≤22mW/m.k

≥150 KPa

≤0.5%

≤1.0%

B2、B1

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While using the "Client-Oriented" company philosophy, a demanding high-quality management method, innovative producing products and also a sturdy R&D workforce, we always deliver premium quality merchandise, superb solutions and aggressive selling prices for Low price for Modified Silane Rasin.Water-Stop Groutings - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV , The product will supply to all over the world, such as: Ottawa, Cancun, United States, Look forward to the future, we'll focus more on the brand building and promotion . And in the process of our brand global strategic layout we welcome more and more partners join us, work together with us based on mutual benefit. Let's develop market by fully utilizing our in depth advantages and strive for building.

Casting Polyurethane Series Cpu