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Desmophen® VPLS 2388

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材料类型

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材料

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一般特征

Desmophen VPLS 2388 is a flexibilizing hydroxyl-bearing polyester.
It is suitable for use as a co-reactant, primarily with Desmodur® N, in the formulation of two-component polyurethane coatings for plastics, characterized by their resistance to accelerated and outdoor weathering, high film elasticity and good tar resistance; also in the flexibilization of hard coatings, e.g. in industrial applications.

储存条件

Desmophen VPLS 2388 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is somewhat hygroscopic. The product is sensitive to moisture. Storage at higher temperatures will result in an increase of color and viscosity. Recommended storage temperature is 5º-30ºC.

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技术属性和数据表

属性名称 测试方法 单位 数值
OH content % 3.8 ± 0.3
Viscosity mPa∙s 3,000 ± 500
Non-volatile content (1 g, 1 h, 125oC) % 80 ± 2
Acid value mg KOH/g < 3.0
Hazen color value < 100

属性名称 测试方法 单位 数值
Density at 20oC g/cm3 approx. 1.1
Flash point °C approx. 35
Equivalent weight approx. 450

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