High reputation Castable Polyurethane Shoe Mould Prepolymer - Donboiler 203 CP/IP base blend polyols – INOV
High reputation Castable Polyurethane Shoe Mould 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.
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