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  • 涂料

Bayhydrol® A 2861

Bayhydrol A 2861 is an aqueous hydroxyfunctional polyacrylic dispersion. Bayhydrol A 2861 is suitable for use in waterborne two component polyurethane coatings with very high flexibility.

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材料类型

  • 丙烯酸酯分散体

材料

涂料
水性, 柔韧, 弹性

一般特征

Bayhydrol A 2861 is an aqueous hydroxyfunctional polyacrylic dispersion.
Bayhydrol A 2861 is suitable for use in waterborne two component polyurethane coatings with very high flexibility.

储存条件

Bayhydrol A 2861 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. The product is sensitive to freezing. 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. 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 dimethylethanolamine. Recommended storage temperature is greater than 0º-23ºC.

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包装类型

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技术属性和数据表

属性名称 测试方法 单位 数值
pH value (1:4 in demineralised water) 8.0 - 9.0
Non-volatile content (1 g / 1 h / 125oC) % 51.5 - 54.5
Viscosity at 23oCD=approx. 41s-1 mPa∙s ≤ 3,500

属性名称 测试方法 单位 数值
Density at 20oC g/ml approx. 1.05
Acid value mg KOH/g approx. 9.0
Hydroxyl content , solid resin % approx. 3.5

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