Chinese wholesale Thermoplastic Polyurethane Series - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV
Chinese wholesale Thermoplastic Polyurethane Series - 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.
Product detail pictures:
Related Product Guide:
We always think and practice corresponding to the change of circumstance, and grow up. We aim at the achievement of a richer mind and body and the living for Chinese wholesale Thermoplastic Polyurethane Series - Donpipe 302 HCFC-141b base blend polyols for pipeline insulation – INOV , The product will supply to all over the world, such as: Tanzania, Korea, Poland, When It produced, it making use of the world's major method for reliable operation, a low failure price, it appropriate for Jeddah shoppers choice. Our enterprise. s situated inside the national civilized cities, the website traffic is very hassle-free, unique geographical and financial circumstances. We pursue a "people-oriented, meticulous manufacturing, brainstorm, make brilliant" company philosophy. Strict good quality management, fantastic service, affordable cost in Jeddah is our stand around the premise of competitors. If needed, welcome to make contact with us by our web page or phone consultation, we will be delighted to serve you.
By Anna from Romania - 2017.06.29 18:55
The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
By Josephine from Turin - 2018.06.21 17:11