- 涂料、油漆和油墨
Desmophen® 670 BA
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关于
材料类型
- 聚酯树脂
材料
- 涂料、油漆和油墨
- 柔韧, 弹性, 溶剂型, 耐气候
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.
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.
样品
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包装类型
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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. 32 | |
| Density at 20°C | g/ml | approx. 1.11 | |
| Equivalent weight | approx. 485 |
命名属性规范
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Viscosity at 23°C | mPa∙s | 3,000 ± 400 | |
| Water content | % | ≤ 0.1 | |
| Hazen color value | ≤ 150 | ||
| Acid value | mg KOH/g | 1.8 ± 1 | |
| Hydroxyl content | % | 3.5 ± 0.3 | |
| Non-volatile content 1 g resin / 1h/125°C, convection oven) | % | 80 ± 1 |
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技术数据表
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安全数据表无可用直接下载，请访问 www.productsafetyfirst.covestro.com