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Specifications
Rigid Polyurethane Systems for RefrigeratorsCyclopentane Polyurethane Foam Systems
DJD-103
Products Introduction
DJD-103 blend polyols use cyclopentane 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;
2.excellent low-temperature dimensional stability and good cohesiveness;
3. demould time is 6-8 minutes.
Physical Properties
Appearance Hydroxyl Value mgKOH/g Dynamic Viscosity (25 °C) mPa.s Gravity (20 °C ) g/ml Storage Temperature °C Storage Stability month | pale yellow transparent viscous liquid 360-420 3000-4000 1.04-1.07 10-25 6 |
Recommended Ratio
| pbw |
DJD-103 blend polyols CP Isocyanate | 100 12-14 136-142 |
Technology and Reactivity(the exact value varied depending on processing conditions)
| Manual Mixing | Mechanical Foaming |
Raw material Temperature °C Mold Temperature °C CT s GT s TFT s Free Density kg/m3 | 20-25 35-40 12-16 75-85 100-120 25-26 | 20-25 35-40 8-12 55-65 70-100 24-25 |
Foam Performance
Foam Density by Molding Closed-cell Rate Thermal Conductivity (15 °C) Compressive strength (perpendicular to the direction of rising) Dimensional Stability (24h, -20 °C) (24h, 100 °C) | GB/T 6343 GB/T 10799 GB/T 3399 GB/T 8813
GB/T 8811
| 35-37kg/m3 ≥90% ≤22 mW/(m.K) ≥150kPa
≤0.5% ≤1.0% |
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