Good Quality Polyurethane Rigid Foam - Donfoam 823PIR CP/IP base blend polyols for continuous PIR block foam – INOV
Good Quality Polyurethane Rigid Foam - Donfoam 823PIR CP/IP base blend polyols for continuous PIR block foam – INOV Detail:
Donfoam 824PIR HFC-245fa base blend polyols for continuous PIR block foam
INTRODUCTION
Donfoam823 blend polyether polyol use CP or CP/IP as blowing agent, used in the production of high flame retardant PIR block foam, with performances of uniform foam cell, low thermal conductivity, good thermal insulation and high flame retardant, 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
500±100 1.20±0.1 10-25 6 |
RECOMMENDED RATIO
Items |
PBW |
DK-1103 Blend Polyether Polyol
CP or CP/IP Isocyanate |
100 11-13 165-175 |
TECHNOLOGY AND REACTIVITY (the exact value varies depending on processing conditions)
Manual Mixing |
|
Raw Material Temperature ℃
Mold Temperature ℃ CT s GT s TFT s Free Density kg/m3 |
20-25 Ambient Temperature (15-45℃ ) 35-60 140-200 240-360 28-35 |
FOAM PERFORMANCES
Item |
Test Standard |
Specification |
Overall Molding Density
Molding Core Density |
ASTM D1622 |
≥50kg/m3 ≥40kg/m |
Closed-cell Rate | ASTM D2856 |
≥90% |
Initial Thermal Conductivity(15℃) | ASTM C518 |
≤24mW/(m.K) |
Compressive Strength | ASTM D1621 |
≥150kPa |
Dimensional Stability
24h -20℃ RH90 70℃ |
ASTM D2126 |
≤1% ≤1.5% |
Water Absorption Rate | ASTM D2842 |
≤3% |
Flammability | ASTM D1692 |
Self extinguishing |
Product detail pictures:

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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for Good Quality Polyurethane Rigid Foam - Donfoam 823PIR CP/IP base blend polyols for continuous PIR block foam – INOV , The product will supply to all over the world, such as: Canada, Guyana, Cancun, Our company always concentrate on the development of the international market. We've got a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.

The company's products can meet our diverse needs, and the price is cheap, the most important is that the quality is also very nice.
