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Desmodur® L 75

Aromatic polyisocyanate based on tolulene diisocyanate.

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材料类型

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一般特征

Desmodur L 75 is an aromatic polyisocyanate based on toluene diisocyanate (TDI).
It can be used in combination with various Desmophen®, Baycoll®, Desmocoll® grades or other hydroxyl-bearing substances to formulate two-component polyurethane coatings and adhesives.

储存条件

Desmodur L 75 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. 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
Flash point °C approx. 5
Density at 20^oC g/ml approx. 1.17
Equivalent weight approx. 315

命名属性规范

属性名称 测试方法 单位 数值
Iodine color value ≤ 2
Non-volatile content % 75.0 ± 2.0
NCO content % 13.3 ± 0.4
Viscosity (23^oC) mPa∙s 1,600 ± 400
Monomer content % < 0.5

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