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  • 涂料

Bayhydrol® A 2470

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关于

材料类型

  • 丙烯酸酯分散体

材料

涂料
坚硬, 水性, 柔韧, 弹性

一般特征

Bayhydrol A 2470 is an aqueous hydroxyfunctional polyacrylic dispersion.
It is suitable for use in waterborne two-component polyurethane varnishes in combination with aliphatic polyisocyanates.

储存条件

Bayhydrol A 2470 should be stored in tightly sealed original containers and protected from freezing, heat, and foreign materials. Short-time cooling down to -18°C does not typically damage the product, but the viscosity may increase significantly. 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 dimethyl ethanol amine. Recommended storage temperature is > 0º-30ºC.

样品

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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
Non-volatile content (1g/1h/125°C/convection oven) % 44 - 47
pH (1:4 in demineralized water) 7.0 - 8.0
Viscosity at 23°C, D= approx. 40 s-1 mPa∙s 1,500 - 3,000

属性名称 测试方法 单位 数值
Hydroxyl content (on solid resin, calculated) % approx. 3.9
Density at 20°C g/ml approx. 1.06
Acid value mg KOH/g approx. 10

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技术数据表
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