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Bayhydur® HD 2018

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材料类型

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材料

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一般特征

Bayhydur HD 2018 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI).
It is suitable as a hardener for near zero VOC waterborne two-component polyurethane coatings.

储存条件

Bayhydur HD 2018 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. Hydrophilic isocyanates are very moisture-sensitive and react with water to form carbon dioxide and insoluble ureas. The containers must always be kept tightly closed. The access of water in all forms (moist air, solvents, moist containers) must be prevented, because the generation of carbon dioxide can lead to dangerous increases in pressure. Storage at higher temperatures will result in increase of color and viscosity. 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
NCO content % 22 - 23
Monomeric HDI % by weight < 0.5
Viscosity at 23oC mPa∙s 570 - 730
Hazen color value ≤ 150

属性名称 测试方法 单位 数值
Density at 20oC g/ml approx. 1.15
Flash point °C approx. 185

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技术数据表
安全数据表
无可用直接下载,请访问 www.productsafetyfirst.covestro.com
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