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关于
材料类型
- 聚酯树脂
材料
- 涂料、油漆和油墨
- 坚硬, 耐气候, 溶剂型
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.
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
无可用数据
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 |
|---|---|---|---|
| Equivalent weight | approx. 770 | ||
| Flash point | °C | approx. 32 | |
| Density at 20°C | g/ml | approx. 1.08 |
命名属性规范
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Non-volatile content (2g resin/2ml toluene/1h/125°C, convection oven) | % | 70 ± 1 | |
| Water content | % | ≤ 0.1 | |
| Hydroxyl content | % | 2.2 ± 0.5 | |
| Acid value | mg KOH/g | 16 ± 3 | |
| Viscosity at 23°C | mPa∙s | 3,000 ± 500 | |
| Hazen color value | ≤ 200 |
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技术数据表
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