High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV
High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV Detail:
Donfoam 812 HCFC-141B base blend polyols for block foam
INTRODUCTION
Donfoam 812 blend polyether polyols used for produce PUR block foam. The foam has uniform cell , low thermal conductivity, thermal insulation performance is good, flame retardant performance is good, low temperature no shrinking crack etc.
Widely used in the process of all kinds of insulation work such as: building external wall, cold storage, tanks, large pipes etc.
PHYSICAL PROPERTY
| Appearance
Dynamic viscosity （25℃） mPa.S Density （20℃） g/ml Storage temperature ℃ Storage stability month |
Light yellow to brown transparent liquid 250±50 1.17±0.1 10-25 6 |
RECOMMENDED RATIO
| Items |
PBW |
| Blend Polyether Polyol
Isocyanate |
100 130 |
TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)
|
Manual Mixing |
|
| Raw Material Temperature ℃
Mould Temperature ℃ CT s GT s TFT s Free Density kg/m3 |
20-25 Ambient Temperature(15-45℃ ) 35-60 140-180 240-260 26-28 |
FOAM PERFORMANCES
|
Item |
Test Standard |
Specification |
| Overall Molding Density
Molding Core Density |
GB 6343 |
40-45kg/m3 38-42kg/m |
| Closed-cell Rate |
GB 10799 |
≥90% |
| Initial Thermal Conductivity（15℃） |
GB 3399 |
≤24mW/(m.K) |
| Compressive Strength |
GB/T8813 |
≥150kPa |
| Dimensional Stability
24h -20℃ RH90 70℃ |
GB/T8811 |
≤1% ≤1.5% |
| Water Absorption Rate |
GB 8810 |
≤3% |
| Flammability |
ASTM E84 |
Class A |
Product detail pictures:
Related Product Guide:
Our purpose is to fulfill our clients by offering golden company, great price and premium quality for High definition Donspray 502 Hcfc-141b Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Sheffield, Bogota, Ecuador, Our company considers that selling is not only to gain profit but also popularize the culture of our company to the world. So we are working hard to give you the wholehearted service and willing to give you the most competitive price in the market
By Edwina from Houston - 2018.10.31 10:02
This is the first business after our company establish, products and services are very satisfying, we have a good start, we hope to cooperate continuous in the future!
By Daphne from South Korea - 2018.09.21 11:01
