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  • 涂料

Bayhydrol® U 2750

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关于

材料类型

  • 聚氨酯分散体
  • 羟基官能聚氨酯分散体
  • 水性分散体

材料

涂料
易混合, 坚硬, 耐热, 坚硬, 低粘性, 无溶剂, 耐气候, 水性, 柔韧, 弹性

一般特征

Aliphatic, hydroxyfunctional polycarbonate ester-polyurethane dispersion.
Binder for the formulation of water-reducible 2K-PUR coatings.

储存条件

- Storage in original sealed Covestro containers.

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Recommended storage temperature: 5 - 30 °C.

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Protect from frost, heat and foreign material.

General information: The product is sensitive to frost. Prologed freezin can damage the product irreversibly. Prolonged storage at higher temperatures may result in a decrease of viskosity and/or an increase of average particle size, possibly resulting in sedimentation of 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 e expected. The viscosity can be restored to its original value by the addition of small amounts of an aqueous 10 % solution of dimethyl ethanol amine.
Contamination with certain bacteria, fungi or algae may render the product unusable.

样品

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包装类型

无可用数据

技术属性和数据表

属性名称 测试方法 单位 数值
pH 10 % DIN ISO 976 7.0 - 9.0
Viscosity at 23 °C, (D = 40 s-1) DIN 53019 mPa*s 100 - 1,500
Non-volatile content (1 g / 1 h / 125 °C) DIN EN ISO 3251 % 39 - 43

属性名称 测试方法 单位 数值
Acid number (solid resin) DIN EN ISO 2114 mg KOH/g 25.0 - 29.0
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.06
OH content (solid resin) % approx. 3.6

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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
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