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  • 涂料

Desmophen® 670 BA

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材料类型

  • 聚酯树脂

材料

涂料
弹性, 溶剂型, 耐气候, 柔韧

一般特征

Desmophen 670 BA is a slightly branched, hydroxyl-bearing polyester.
It is suitable as a co-reactant primarily with Desmodur® N 75A and N 3390A BA/SN in the formulation of weather-stable flexible coatings.

储存条件

Desmophen 670 BA should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Under certain conditions (temperatures below 15°C, long storage) the product may become cloudy. It can be completely rehomogenized by heating to around 40°C or adding solvent, and can be further processed without any loss of quality. Recommended storage temperature is less than 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
Hazen color value ≤ 150
Hydroxyl content % 3.5 ± 0.3
Non-volatile content 1 g resin / 1h/125°C, convection oven) % 80 ± 1
Viscosity at 23°C mPa∙s 3,000 ± 400
Acid value mg KOH/g 1.8 ± 1
Water content % ≤ 0.1

属性名称 测试方法 单位 数值
Equivalent weight approx. 485
Density at 20°C g/ml approx. 1.11
Flash point °C approx. 32

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技术数据表
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