2019 wholesale price Castable Polyurethane Prepolymer - Donboiler 203 CP/IP base blend polyols – INOV
2019 wholesale price Castable Polyurethane Prepolymer - Donboiler 203 CP/IP base blend polyols – INOV Detail:
Donboiler 203 CP/IP base blend polyols
INTRODUCTION
DonPanel 203 blend polyols is a compound which consists of polyether polyols, surfactants, catalysts and so on in a special ratio. The foam has good thermal insulation property, light in weight, and other advantages. It is widely used in solar water heater.
PHYSICAL PROPERTY
Appearance | Light yellow transparent viscous liquid |
Hydroxyl value mgKOH/g | 300-400 |
Dynamic viscosity ( 25℃) mPa.S | 300-500 |
Density ( 20℃) g/ml | 1.02-1.07 |
Storage temperature ℃ | 10-20 |
Storage stability month | 6 |
RECOMMENDED RATIO
Raw materials | pbw |
blend polyols | 100 |
Isocyanate | 115-125 |
Technology and Reactivity (the exact value varies depending on processing conditions)
items | Manual mixing | High Pressure Machine |
Raw material temperature ℃ | 20-25 | 20-25 |
Cream time s | 8-15 | 6-10 |
Gel time s | 70-85 | 50-65 |
Tack free time | 90-125 | 70-95 |
Free density kg/m3 | 28-30 | 27-29 |
FOAM PERFORMANCES
Moulding density | GB 6343 | ≥38kg/m3 |
Closed-cell rate | GB 10799 | ≥90% |
Thermal conductivity( 10℃) | GB 3399 | ≤0.019W/(m.K) |
Compression strength | GB/T 8813 | ≥140kPa |
Dimensional stability 24h -20℃ | GB/T 8811 | ≤1% |
24h 100℃ | ≤1% |
The data provided above are typical value, which are tested by our company. For our company’s products, the data included in the law do not have any constraints.
Product detail pictures:


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