High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV

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High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV Detail:

Donpipe 302 HCFC-141b base blend polyols for pipeline insulation

INTRODUCTION

This product is a type of blend polyols premixed with HCFC-141B, which is specially researched for rigid PUF to produce thermal insulation pipes. It is widely used in steam pipes, liquefied nature gas running pipes, oil pipes and other fields. The characteristics are as follows:

(1) good flowability, by regulating formula to suit different pipe diameters.

(2) excellent low temperature dimensional stability

PHYSICAL PROPERTY

Appearance               

Light yellow to brown transparent liquid

Hydroxyl value            mgKOH/g

300-450

Dynamic viscosity(25℃)   mPa.S

200-500

Density    (20℃)         g/ml

1.10-1.16

Storage temperature           ℃

10-25

Storage stability             month

6

TECHNOLOGY AND REACTIVITY (Component temperature is 20℃, the actual value is varied according to pipe diameter and processing condition.)

 

Manual mixing

High pressure machine

Ratio(POL/ISO)

1:1.10-1.1.60

1:1.10-1.60

Rise time                   s

20-40

15-35

Gel time                     s

80-200

80-160

Tack free time                s

≥150

≥150

Free density              kg/m3

25-40

24-38

FOAM PERFORMANCES

Mold density GB 6343 55-70kg/m3
Closed-cell rate GB 10799

≥90%

Thermal conductivity     (15℃) GB 3399

≤24mW/(m.K)

Compression strength GB/T8813 ≥200kPa
Water absorption GB 8810

≤3(V/V)%

Dimensional stability 24h  -30℃

GB/T8811

 ≤1.0%

                  24h  100℃

≤1.5%

The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.


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High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV detail pictures


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The corporation keeps to the operation concept "scientific management, superior quality and performance primacy, consumer supreme for High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV , The product will supply to all over the world, such as: Plymouth, Kenya, New Zealand, We warmly welcome you to come to visit us personally. We hope to establish a long-term friendship based on equality and mutual benefit. If you want to get in touch with us, please do not hesitate to call. We will be your best choice.
  • Superb technology, perfect after-sales service and efficient work efficiency, we think this is our best choice.
    5 Stars By Nana from Cairo - 2017.11.29 11:09
    High production efficiency and good product quality, fast delivery and completed after-sale protection, a right choice, a best choice.
    5 Stars By Lynn from Rotterdam - 2018.06.21 17:11
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