100% Original Castable Polyurethane Shoe Upper Prepolymer - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV

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100% Original Castable Polyurethane Shoe Upper Prepolymer - 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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100% Original Castable Polyurethane Shoe Upper Prepolymer - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV detail pictures


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With our leading technology also as our spirit of innovation,mutual cooperation, benefits and development, we are going to build a prosperous future jointly with your esteemed company for 100% Original Castable Polyurethane Shoe Upper Prepolymer - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV , The product will supply to all over the world, such as: Nicaragua, Algeria, Bangladesh, Customer's satisfaction is always our quest, creating value for customers is always our duty, a long term mutual-beneficial business relationship is what we are doing for. We are an absolutely reliable partner for yourself in China. Of course, other services, like consulting, can be offered too.
  • The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
    5 Stars By Donna from Kuala Lumpur - 2017.01.28 19:59
    This manufacturers not only respected our choice and requirements, but also gave us a lot of good suggestions, ultimately, we successfully completed the procurement tasks.
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