China High reputation Castable Polyurethane Shoe Mould Prepolymer - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV Manufacturer and Supplier

High reputation Castable Polyurethane Shoe Mould Prepolymer - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV

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High reputation Castable Polyurethane Shoe Mould Prepolymer - 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

1.1-1.16

10-25

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

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Our company insists all along the quality policy of "product good quality is base of enterprise survival; buyer fulfillment will be the staring point and ending of an company; persistent improvement is eternal pursuit of staff" and also the consistent purpose of "reputation very first, shopper first" for High reputation Castable Polyurethane Shoe Mould Prepolymer - Donpipe 322 HCFC-141b base blend polyols for pipeline shell – INOV , The product will supply to all over the world, such as: Sri Lanka, Malta, USA, Whether selecting a current product from our catalog or seeking engineering assistance for your application, you can talk to our customer service center about your sourcing requirements. We are looking forward to cooperating with friends from all over the world.

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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.

By Poppy from Poland - 2018.09.16 11:31

Product variety is complete, good quality and inexpensive, the delivery is fast and transport is security, very good, we are happy to cooperate with a reputable company!

By Edith from Pretoria - 2017.09.09 10:18

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