Desmodur® W/1

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材料类型

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材料

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一般特征

Monomeric cycloaliphatic diisocyanate.
In the manufacture of polyisocyanates and polyurethanes.

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: The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Storage at temperatures of approx. 25 °C and below can result in crystallization and appropriate settling at the bottom. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Our recommendation in that case is warming the product to 40 - 50°C and homogenization before use.

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
Acidity internal method mg/kg ≤ 10
Assay (GC) internal method % ≥ 99.5
Hydrolyzable chlorides internal method mg/kg ≤ 10
NCO content (calculated from GC) internal method % ≥ 31.8
Color value (Hazen) DIN EN 1557 ≤ 30

命名属性规范

属性名称 测试方法 单位 数值
Start of crystallization °C approx. 25
Total chlorides mg/kg ≤ 10
Viscosity at 25 °C DIN EN ISO 3219/A.3 mPa*s approx. 30
Flash point DIN EN 22 719 °C approx. 200
Density at 20 °C DIN EN ISO 2811 g/ml approx. 1.07
Vapor pressure at 25 °C hPa approx. 2.1 · 10^-5

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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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