i
市场转换
选择会影响你得到的结果。
关于
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.
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
无可用数据
包装类型
无可用数据
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 |
下载
-
技术数据表
-
安全数据表无可用直接下载，请访问 www.productsafetyfirst.covestro.com