Desmodur® N 3700

Aliphatic polyisocyanate (highly functional HDI trimer). As the hardener component for lightfast, fast drying polyurethane coating systems.

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材料类型

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材料

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一般特征

Desmodur N 3700 is an aliphatic polyisocyanate (highly functional HDI trimer).
It is suitable as the hardener component for lightfast, fast drying polyurethane coating systems.

储存条件

Desmodur N 3700 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. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 0º-30ºC.

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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
Hazen color value ≤ 80
NCO content % 20.0 ± 1.0
Monomeric HDI % ≤ 0.25
Viscosity at 23^oC mPa∙s 16,000 ± 4,000

命名属性规范

属性名称 测试方法 单位 数值
Flash point °C approx. 247
Equivalent weight approx. 210
Equivalent weight approx. 210
Viscosity at 25°C mPa∙s approx. 13,000
Density at 20^oC g/ml approx. 1.17

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