Bayhydur® ultra 3100

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材料类型

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材料

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一般特征

Bayhydur® ultra 3100 is a hydrophilic aliphatic polyisocyanate based on hexamethylene diisocyanate (HDI). It is used as a hardener component for high-quality aqueous two-component polyurethane systems and as an additive to improve the property profile of aqueous coating and adhesive systems.

储存条件

- Storage in original sealed Covestro container.

- Recommended storage temperature: 0 - 30 °C.

- Protect from moisture, heat and foreign material.

General information: 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.

样品

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包装类型

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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
NCO content % 17.4 ± 0.5
Monomeric HDI % < 0.10
Viscosity @ 23°C mPa*s 2800 ± 800
Color value (Hazen) ≤ 60

命名属性规范

属性名称 测试方法 单位 数值
Flash point °C > 250
Equivalent weight approx. 241
Density @ 20°C g/ml approx. 1.16
Viscosity @ 25°C mPa*s approx. 2500

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技术数据表
安全数据表
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