China wholesale Quasi Mdi-Terminated System Mdi - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV

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China wholesale Quasi Mdi-Terminated System Mdi - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV Detail:

Donpipe 322 HCFC-141b base blend polyols for pipeline shell

INTRODUCTION

DonPipe 322 is a kind of blend polyols with  hcfc-141b as foaming agent, taking polyol as the main raw material, mixing with a special auxiliary. This material suitable for outer thermal insulation shells which are used for  water, oil and gas pipelines .The polyurethane product prepared by reacting it with isocyanate has the following advantages:

– good compressive strength and dimensional stability

– high close-cell rate and good waterproof performance

– good insulation performance

PHYSICAL PROPERTY

 

DonPipe 322

Appearance                 

Hydroxyl value                 mgKOH/g

Dynamic viscosity (25℃)   mPa.S

Density (20℃)             g/ml

Storage temperature             ℃

Storage stability               months

Light yellow transparent viscous liquid

200-400

200-400

1.1-1.16

10-25

6

RECOMMENDED RATIO

 

Pbw

DonPipe 322

Isocyanate

100

120-160

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

 

Manual mix

High pressure

Raw material temperature    ℃

CT      S

GT      S

TFT      S

Free density   Kg/m3

20-25

7-15

30-50

40-60

25-30

20-25

6-12

20-40

30-50

25-30

FOAM PERFORMANCES

old density

Close-cell rate

Thermal conductivity (10℃)

Compression 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

≥50Kg/m3

≥90%

≤22mW/m.k

≥150 KPa

≤0.5%

≤1.0%

B3、B2、B1


Product detail pictures:

China wholesale Quasi Mdi-Terminated System Mdi - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV detail pictures

China wholesale Quasi Mdi-Terminated System Mdi - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV detail pictures


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Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs of China wholesale Quasi Mdi-Terminated System Mdi - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV , The product will supply to all over the world, such as: Doha, Comoros, California, It is our customers' satisfaction over our products and services that always inspires us to do better in this business. We build mutually beneficial relationship with our clients by giving them large selection of premium car parts at marked down prices. We provide wholesale prices on all our quality parts so you are guaranteed greater savings.
  • We have been engaged in this industry for many years, we appreciate the work attitude and production capacity of the company, this is a reputable and professional manufacturer.
    5 Stars By Caroline from USA - 2017.06.16 18:23
    The sales manager has a good English level and skilled professional knowledge, we have a good communication. He is a warm and cheerful man, we have a pleasant cooperation and we became very good friends in private.
    5 Stars By Betsy from San Diego - 2017.08.15 12:36
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