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High Quality Polyurethane Rigid Foam System - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV

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  • High Quality Polyurethane Rigid Foam System - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV

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High Quality Polyurethane Rigid Foam System - 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 Quality Polyurethane Rigid Foam System - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV detail pictures

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Our firm aims to operating faithfully, serving to all of our shoppers , and working in new technology and new machine consistently for High Quality Polyurethane Rigid Foam System - Donfoam 812PIR HCFC-141B base blend polyols for PIR block foam – INOV , The product will supply to all over the world, such as: Bahrain, South Africa, New Zealand, Now we have a dedicated and aggressive sales team, and many branches, catering to our main customers. We have been looking for long-term business partnerships, and ensure our suppliers that they will undoubtedly benefit in both short and long run.

    • With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
    5 Stars By Freda from Morocco - 2018.09.19 18:37
    The company has rich resources, advanced machinery, experienced workers and excellent services, hope you keep improving and perfecting your products and service, wish you better!
    5 Stars By Hazel from Swiss - 2017.05.02 18:28
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