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:
carry on to boost, to guarantee products excellent in line with market and consumer standard specifications. Our enterprise has a quality assurance system are actually established 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: Mongolia, New Zealand, South Africa, It using the world's leading system for reliable operation, a low failure rate, it suitable for Argentina customers choice. Our company is situated within the national civilized cities, the traffic is very convenient, unique geographical and economic conditions. We pursue a people-oriented, meticulous manufacturing, brainstorm, build brilliant" business philosophy. Strict quality management, perfect service, reasonable price in Argentina is our stand on the premise of competition. If necessary, welcome to contact us by our website or phone consultation, we'll be happy to serve you.
This supplier stick to the principle of "Quality first, Honesty as base", it is absolutely to be trust.





