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关于
材料类型
- 聚酯多元醇
材料
- 泡沫
- 块状
一般特征
Desmophen® 2400 S, based on trimethylolpropane as branching component, is a highly viscous brownish liquid. It is used to manufacture either semi-rigid polyurethane slabstock foams or foams with enhanced hardness.
储存条件
Recommended storage temperature (°C): 20 - 35
Shelf life (ex works)
12 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
Shelf life (ex works)
12 months if stored in sealed, moisture-tight containers
Partially used containers should be tightly resealed due to the hygroscopic nature of the product.
Recommended temperature for processing (°C): 20 - 25.
样品
Moisture access must be prevented when taking product samples.
包装类型
无可用数据
技术属性和数据表
命名属性特征
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Appearance | PET-03-04 | colourless to pale liquid | |
| TDI basic value | pbw Desmodur® T on 100 pbw Desmophen® 2400 S | 33.3 | |
| Thermal conductivity at 20 °C | DIN 52612-1 | W ^. m^-1 ^. K^-1 | 0.15 |
| Specific heat capacity (Cp) at 25 °C | DIN 51007 | kJ/kg ^. K | 1.86 |
| Flash point | DIN 51758 | °C | 160 |
| Density 25 °C | DIN 51757 | g/cm³ | approx 1.17 |
| Pour point | DIN 3016 | °C | 2 |
命名属性规范
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Water content | DIN 51777-1 | % by wt. | ≤ 0.05 |
| Water content | DIN 51777-1 | % by wt. | ≤ 0.05 |
| Hydroxyl content | DIN 53240-2 | % by wt. | 6.05 - 6.95 |
| Viscosity 75 °C | DIN EN ISO 3219/B | mPa*s | 580 - 780 |
| Colour value (Hazen) | DIN EN 1557 | ≤ 200 | |
| Viscosity 70% | DIN 53018 Brookfiel | mPa*s | 300 - 500 |
| Viscosity 75 °C | DIN EN ISO 3219/B | mPa*s | 580 - 780 |
| Hydroxyl number | DIN 53240-2 | mg KOH/g | 205 - 225 |
| Acidity | DIN EN ISO 2114 | mg KOH/g | ≤ 3.0 |
| Acidity | DIN EN ISO 2114 | mg KOH/g | ≤ 3.0 |
| Hydroxyl number | DIN 53240-2 | mg KOH/g | 205 - 225 |
| Viscosity 70% | DIN 53018 Brookfiel | mPa*s | 300 - 500 |
| Colour value (Hazen) | DIN EN 1557 | ≤ 200 | |
| Hydroxyl content | DIN 53240-2 | % by wt. | 6.05 - 6.95 |
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技术数据表
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安全数据表无可用直接下载，请访问 www.productsafetyfirst.covestro.com
