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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® 2450 X, based on glycerine as branching component, is a highly viscous, slightly yellowish liquid at ambient temperature. 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 |
---|---|---|---|
Density 25 °C | DIN 51757 | g/cm³ | approx 1.12 |
Appearance | PET-03-04 | colourless to pale liquid | |
Flash point | DIN 51758 | °C | 228 |
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 | 1.83 |
Pour point | DIN 3016 | °C | 2 |
TDI basic value | pbw Desmodur® T on 100 pbw Desmophen® 2450 X | 33 |
命名属性规范
属性名称 | 测试方法 | 单位 | 数值 |
---|---|---|---|
Colour value (Hazen) | DIN EN 1557 | ≤ 200 | |
Viscosity 25 °C | DIN EN ISO 3219/B | mPa*s | 17,200 - 22,800 |
Hydroxyl number | DIN 53240-2 | mg KOH/g | 198 - 228 |
Colour value (Hazen) | DIN EN 1557 | ≤ 200 | |
Viscosity 75 °C | DIN EN ISO 3219/B | mPa*s | 420 - 620 |
Viscosity 75 °C | DIN EN ISO 3219/B | mPa*s | 420 - 620 |
Acidity | DIN EN ISO 2114 | mg KOH/g | ≤ 4.0 |
Water content | DIN 51777-1 | % by wt. | ≤ 0.10 |
Acidity | DIN EN ISO 2114 | mg KOH/g | ≤ 4.0 |
Water content | DIN 51777-1 | % by wt. | ≤ 0.10 |
Hydroxyl number | DIN 53240-2 | mg KOH/g | 198 - 228 |
Viscosity 25 °C | DIN EN ISO 3219/B | mPa*s | 17,200 - 22,800 |
下载
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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