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 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


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With this motto in mind, we've come to be one of quite possibly the most technologically innovative, cost-efficient, and price-competitive manufacturers 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: Lesotho, Benin, Argentina, Excellent quality comes from our adherence to every detail, and customer satisfaction comes from our sincere dedication. Relying on advanced technology and industry reputation of good cooperation, we try our best to provide more quality products and services to our customers, and all of us are willing to strengthen exchanges with domestic and foreign customers and sincere cooperation, to build a better future.
  • The company leader recept us warmly, through a meticulous and thorough discussion, we signed a purchase order. Hope to cooperate smoothly
    5 Stars By Kristin from Libya - 2017.12.02 14:11
    The accounts manager made a detailed introduction about the product, so that we have a comprehensive understanding of the product, and ultimately we decided to cooperate.
    5 Stars By Cindy from Honduras - 2017.08.18 18:38
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