China Cheap price Solvent Resistance Curing System - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV
China Cheap price Solvent Resistance Curing System - 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:
We purpose to understand high quality disfigurement with the output and supply the top service to domestic and overseas buyers wholeheartedly for China Cheap price Solvent Resistance Curing System - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Oman, Vietnam, Bangladesh, Our aim is to help customers to make more profits and realize their goals. Through a lot of hard work, we establish a long-term business relationship with so many customers all around the world, and achieve win-win success. We will continue to do our best effort to service and satisfy you! Sincerely welcome you to join us!
By Ruth from Toronto - 2017.10.27 12:12
The customer service staff's answer is very meticulous, the most important is that the product quality is very good, and packaged carefully, shipped quickly!
By Madge from Jakarta - 2018.12.22 12:52