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Chinese Professional Pu System For Pipeline Insulation - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV

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  • Chinese Professional Pu System For Pipeline Insulation - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV
  • Chinese Professional Pu System For Pipeline Insulation - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV

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We have been proud from the higher consumer gratification and wide acceptance due to our persistent pursuit of high quality both on product or service and service for Thermoplastic Polyurethane Series, Block Foam, Pu Raw Material, Accurate process devices, Advanced Injection Molding Equipment, Equipment assembly line, labs and software development are our distinguishing feature.
Chinese Professional Pu System For Pipeline Insulation - 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:

Chinese Professional Pu System For Pipeline Insulation - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV detail pictures

Chinese Professional Pu System For Pipeline Insulation - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV detail pictures

Related Product Guide:
It can be our duty to satisfy your preferences and successfully serve you. Your pleasure is our best reward. We have been looking forward to the go to for joint expansion for Chinese Professional Pu System For Pipeline Insulation - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV , The product will supply to all over the world, such as: Norway, Lahore, Zurich, We'll supply much better products with diversified designs and expert services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.

    • We are long-term partners, there is no disappointment every time, we hope to maintain this friendship later!
    5 Stars By Daphne from Norway - 2018.05.22 12:13
    Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
    5 Stars By Alexia from Hamburg - 2018.09.08 17:09
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