Hot-selling Donboiler 214 Hfc-245fa Base Blend Polyols - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV
Hot-selling Donboiler 214 Hfc-245fa 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:

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We've one of the most innovative manufacturing devices, experienced and qualified engineers and workers, recognized good quality handle systems and also a friendly experienced income team pre/after-sales support for Hot-selling Donboiler 214 Hfc-245fa 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: Georgia, Algeria, Melbourne, As an experienced factory we also accept customized order and make it same as your picture or sample specifying specification and customer design packing. The main goal of the company is to live a satisfactory memory to all the customers,and establish a long term win-win business relationship. For more information,please contact us. And it's our great pleasure if you like to have a personally meeting in our office.

With a positive attitude of "regard the market, regard the custom, regard the science", the company works actively to do research and development. Hope we have a future business relationships and achieving mutual success.
