2019 High quality Pu Binder For Bonding Cork Crumb - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV
2019 High quality Pu Binder For Bonding Cork Crumb - 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 primary intention should be to offer our clientele a serious and responsible enterprise relationship, delivering personalized attention to all of them for 2019 High quality Pu Binder For Bonding Cork Crumb - Donfoam 812 HCFC-141B base blend polyols for block foam – INOV , The product will supply to all over the world, such as: Panama, Florida, United States, We supply skilled service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound items with good logistics service and economical cost. Depending on this, our products and solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia. Adhering to the business philosophy of ??customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.

Perfect services, quality products and competitive prices, we have work many times, every time is delighted, wish continue to maintain!
