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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In the past few years, our business absorbed and digested advanced technologies both equally at home and abroad. In the meantime, our company staffs a group of experts devoted to your advancement of Donfoam 601 Water Base Blend Polyols, Tdi Polyurethane Resin Tdi, Foaming Agent System, We welcome new and old customers from all walks of life to contact us for future business relationships and mutual success!

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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We know that we only thrive if we can guarantee our combined price tag competiveness and top quality advantageous at the same time 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: Costa rica, South Africa, Paraguay, Adhering to the management tenet of "Managing Sincerely, Winning by Quality", we try our best to provide excellent products and service to our clients. We look forward to making progress together with domestic and international clients.

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