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关于
材料类型
- 散体
- 丙烯酸酯分散体
材料
- 涂料、油漆和油墨
- 柔韧, 弹性, 坚硬, 水性
一般特征
Aqueous hydroxyfunctional polyacrylic dispersion.
Bayhydrol® A 2695 shows a superior chemical resistance. The resistance can be improved by increasing NCO/OH ratio.
Bayhydrol® A 2695 shows a superior chemical resistance. The resistance can be improved by increasing NCO/OH ratio.
储存条件
- Storage in original sealed Covestro container.
- Recommended storage temperature: > 0 ≤ 25 °C.
- Protect from frost, heat and foreign material.
General information: The product is sensitive to frost. Prolonged freezing can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viscosity and/or an increase of average particle size, possibly resulting in sedimentation or coagulation. Contamination with certain bacteria, fungi or algae may render the product unusable.
The viscosity of the product is largely governed by the pH. As the pH may decrease during storage, a decrease in viscosity is also to be expected. The viscosity can be adjusted to its original value by the addition of small amounts of an aqueous 10 % solution of triethanol amine.
Storage at temperature above 25 °C up to 30 °C is possible without irreversibly damaging the product. The decrease of pH value and viscosity, however, might be accelerated at this temperature. The values may possibly fall below the lower limits set forth in section “specification” even within the 6 month representation period.
- Recommended storage temperature: > 0 ≤ 25 °C.
- Protect from frost, heat and foreign material.
General information: The product is sensitive to frost. Prolonged freezing can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viscosity and/or an increase of average particle size, possibly resulting in sedimentation or coagulation. Contamination with certain bacteria, fungi or algae may render the product unusable.
The viscosity of the product is largely governed by the pH. As the pH may decrease during storage, a decrease in viscosity is also to be expected. The viscosity can be adjusted to its original value by the addition of small amounts of an aqueous 10 % solution of triethanol amine.
Storage at temperature above 25 °C up to 30 °C is possible without irreversibly damaging the product. The decrease of pH value and viscosity, however, might be accelerated at this temperature. The values may possibly fall below the lower limits set forth in section “specification” even within the 6 month representation period.
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 |
|---|---|---|---|
| Flash point (No flash point up to initial boiling point) | DIN EN ISO 2719 | °C | > 95 |
| Density at 20 °C | DIN DIN EN ISO 2811 | g/ml | approx. 1.06 |
| Acid value | DIN EN ISO 3682 | mg KOH/g | approx. 9.4 |
| OH % on solid | calculated | % | approx. 5.0 |
| Equivalent weight | g/mol | approx. 830 |
命名属性规范
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Non-volatile content (1g / 1h / 125°C) | DIN EN ISO 3251 | % | 40 - 43 |
| pH-value | DIN ISO 976 | 7.2 - 8.2 | |
| Viscosity at 23 °C, D = approx. 40 s^-1 | DIN EN ISO 3219/A.3 | mPa*s | 1,000 - 3,500 |
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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
