High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV

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High definition Donspray 502 Hcfc-141b Base Blend Polyols - 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

6

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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High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV detail pictures


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We have now probably the most innovative production equipment, experienced and qualified engineers and workers, regarded high quality control systems and also a friendly expert income team pre/after-sales support for High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV , The product will supply to all over the world, such as: Spain, Mumbai, Jakarta, We have more than 10 years experience of production and export business. We always develop and design kinds of novel products to meet the market demand and help the guests continuously by updating our products. We are specialized manufacturer and exporter in China. Wherever you are, please join us, and together we will shape a bright future in your business field!
  • In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 Stars By Mark from Macedonia - 2017.04.28 15:45
    We always believe that the details decides the company's product quality, in this respect, the company conform our requirements and the goods are meet our expectations.
    5 Stars By Phoebe from Comoros - 2017.09.22 11:32
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