Chinese Professional Pu System For Pipeline Insulation - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV
Chinese Professional Pu System For Pipeline Insulation - 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 company puts emphasis on the management, the introduction of talented personnel, and the construction of staff building, trying hard to improve the quality and liability consciousness of staff members. Our company successfully attained IS9001 Certification and European CE Certification of Chinese Professional Pu System For Pipeline Insulation - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Zurich, Macedonia, Belgium, With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in beauty and other industries. Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs.
By Riva from Cyprus - 2017.02.14 13:19
The company can think what our think, the urgency of urgency to act in the interests of our position, can be said this is a responsible company, we had a happy cooperation!
By Ruth from New York - 2018.07.12 12:19
