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SPC-10081 blend polyols use C-pentane or CP/IP as blowing agent, which applies to refrigerators, freezers, and other insulation products. The characteristics of the products are as follows 1.excellent flowability, the density of the foam is well-distributed, and the thermal conductivity is low
Physical Properties
| Appearance | Pale yellow transparent liquid | |
| Hydroxyl Value | mgKOH/g | 370-410 |
| Dynamic Viscosity（25℃） | mPa.s | 2800-4000 |
| Specific Gravity （20℃） | g/ml | 1.05-1.07 |
| Storage Temperature | ℃ | 10-25 |
| Storage stability | Month | 6 |
Recommended Ratio
| Ratio | pbw |
| SPC-10081 | 100 |
| C-pentane | 12-14 |
| MDI | 136-145 |
Technology and Reactivity(the exact value varied depending on processing conditions)
| Items | Manual Mixing
（low pressure machine) |
High Pressure Machine Mixing | |
| Material Temperature | ℃ | 20-25 | 20-25 |
| Mould Temperature | ℃ | 35-40 | 35-40 |
| Cream Time | s | 10-16 | 8-12 |
| Gel time | s | 70-90 | 45-60 |
| Tack free time | s | 100-120 | 80-100 |
| Free density | kg/m3 | 25-26 | 24-25.5 |
Foam Performances
| Items | Test Method | Index |
| Moulding Density | GB/T 6343 | ≥35kg/m3 |
| Closed-cell rate | GB/T 10799 | ≥92% |
| Thermal Conductivity （15℃） | GB/T 3399 | ≤21 mW/(m.K) |
| Compressive strength | GB/T 8813 | ≥150kPa |
| Dimensional stability (24h ,-20℃) | GB/T 8811 | ≤0.5% |
| (24h ,100℃) | GB/T 8811 | ≤1.0% |
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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