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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
溶剂型, 耐气候, 柔韧, 弹性

一般特征

Slightly branched hydroxyl-bearing polyester.
As a co-reactant primarily with Desmodur® N 75 and ultra N 3390 in the formulation of weather-stable flexible coatings.

储存条件

- Storage in original sealed Covestro container.

- Recommended storage temperature: max. 30 °C.

- Protect from moisture, heat and foreign material.

General information: 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.

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
Hazen color value DIN EN 1557 ≤ 150
Water content DIN 51 777/1 % ≤ 0.1
Acid value DIN EN ISO 2114 mg KOH/g 1.8 ± 1
Non-volatile content 1 g resin/1 h 125 °C, convection oven DIN EN ISO 3251 % 80 ± 1
Viscosity at 23°C DIN EN ISO 3219/A.3 mPa*s 3,000 ± 400
Hydroxyl content DIN EN ISO 4629-2 % 3.5 ± 0.3

属性名称 测试方法 单位 数值
Flash point DIN EN ISO 2719 °C approx. 32
Equivalent weight approx. 485
Density at 20°C DIN EN ISO 2811-2 g/ml approx. 1.11

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技术数据表
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安全数据表
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