| Customization: | Available |
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| Material: | Polyurethanes/PU |
| Usage: | Engineering Plastics |
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SDL3231 is a kind of blend polyol used for the continuous line, color steel sandwich panel general flame retardant rigid PU foam. It is widely used for the production of cold storage sandwich panel, building roof panel, factory out wall panel, door panel and so on. It used together with isocyanate to make rigid PU foam of the color steel sandwich panel through PU foaming machine and laminating plant. The foam produced has the characteristics as following:
| Physical Properities Test Method Standard Metric Value | ||||
| Physical Properities | GBT 6343-2009 | kg/m³ | 25-28 | |
| Free Rise Density | GBT 6343-2009 | kg/m³ | 38-40 | |
| Overall Density | GBT 8813-2008 | KPa | ≥160 | |
| Compressive Strength(Parallel) | GBT 8813-2008 | KPa | ≥165 | |
| Dimensional Stability | GBT 8811-2008 | % | -30ºC | ≤0.55 |
| GBT 8811-2008 | % | 70ºC/100%RH | ≤0.76 | |
| GBT 8811-2008 | % | 100ºC/0%RH | ≤0.99 | |
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