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材料类型
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材料
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一般特征
Desmophen® V 657 is a trifunctional reactive polyether polyol for the production of polyurethane products.
储存条件
- Storage in original sealed Covestro container.
- Recommended storage temperature: 20 - 40 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitive to moisture and should therefore be stored in its sealed original containers.
- Recommended storage temperature: 20 - 40 °C.
- Protect from moisture, heat and foreign material.
General information: The product is sensitive to moisture and should therefore be stored in its sealed original containers.
样品
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包装类型
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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 |
|---|---|---|---|
| Equivalent weight | g/mol | approx. 220 | |
| Color | colourless to yellowish | ||
| Density at 20 °C | DIN 51757 | g/cm^3 | approx. 1.12 |
| Hydroxyl content | % | 7.7 ± 0.5 |
命名属性规范
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Water content | PET-19-01 | % | max. 0.150 |
| Acidity | PET-11-01 | mg KOH/g | max 0.350 |
| Hydroxyl number | PET-11-01 | mg KOH/g | 255 ± 15 |
| Viscosity at 25°C | PET-10-01 | mPa∙s | 265 ± 20 |
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
