Bayhydrol® U 2787
Bayhydrol® U 2787 is an aliphatic, hydroxyfunctional polycarbonate ester-polyurethane dispersion. It is suitable as a binder for the formulation of water-reducible soft-touch coatings.
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材料类型
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一般特征
Bayhydrol® U 2787 is an aliphatic, hydroxyfunctional polycarbonate ester-polyurethane dispersion.
It is suitable as a binder for the formulation of water-reducible soft-touch coatings.
It is suitable as a binder for the formulation of water-reducible soft-touch coatings.
储存条件
Bayhydrol U 2787 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. The product cannot be used if it has been frozen. The containers must be tightly closed to prevent the evaporation of water which may result in the formation of a non-redispersible film. Recommended storage temperature is 41º-86ºF (5º-30ºC).
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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 |
|---|---|---|---|
| OH content (On % Solids) | % | approx. 1.7 | |
| Minimum film forming temperature(MFT) | °C | < 0 | |
| Acid number | mg KOH/g | approx. 7 | |
| Density @ 20°C | g/ml | approx. 1.06 |
命名属性规范
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Non-volatile content (1 g / 1 h / 125 °C) | % | 39 - 43 | |
| Viscosity at 23 °C,(D = approx. 40 s^-1) | mPas | 100 - 2000 | |
| pH value | 7.5 - 9.0 |
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技术数据表
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