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材料类型
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材料
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一般特征
Desmodur ultra N 3372 SN is an aliphatic polyisocyanate (HDI trimer).
It is suitable for use as the hardener component for lightfast polyurethane coating systems.
It is suitable for use as the hardener component for lightfast polyurethane coating systems.
储存条件
Desmodur ultra N 3372 SN should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Recommended storage temperature is 0º-30ºC.
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 |
---|---|---|---|
Viscosity at 25^oC | mPa∙s | approx. 70 | |
Equivalent weight | approx. 266 | ||
Density at 20^oC | g/ml | approx. 1.07 | |
Flash point | °C | approx. 47 |
命名属性规范
属性名称 | 测试方法 | 单位 | 数值 |
---|---|---|---|
Hazen color value | ≤ 40 | ||
Non-volatile content 2.2 g / 120 min / 100^oC | % | 72.5 ± 1.5 | |
Monomeric HDI | % | < 0.10 | |
Viscosity at 23^oC | mPa∙s | 80 ± 20 | |
NCO content | % | 15.8 ± 0.5 |
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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