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  • 涂料

Desmophen® 680 BA

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材料类型

  • 聚酯树脂

材料

涂料
坚硬, 溶剂型, 耐气候

一般特征

Desmophen 680 BA is a branched hydroxyl-bearing polyester.
It is suitable as a co-reactant for Desmodur® N in the formulation of two-component polyurethane coatings with good gloss retention, lightfastness and chalking resistance.
it is also suitable for use in combination with Desmodur L/ultra L and HL in the formulation of fast-drying two-component coatings.

储存条件

Desmophen 680 BA should be stored in tightly sealed containers and protected from moisture, heat and foreign materials. Recommended storage temperature is less than 30°C.

样品

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包装类型

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技术属性和数据表

属性名称 测试方法 单位 数值
Hydroxyl content % 2.2 ± 0.5
Non-volatile content (2g resin/2ml toluene/1h/125°C, convection oven) % 70 ± 1
Hazen color value ≤ 200
Viscosity at 23°C mPa∙s 3,000 ± 500
Acid value mg KOH/g 16 ± 3
Water content % ≤ 0.1

属性名称 测试方法 单位 数值
Density at 20°C g/ml approx. 1.08
Flash point °C approx. 32
Equivalent weight approx. 770

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技术数据表
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