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  • 涂料

Desmodur® N 3800

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关于

材料类型

  • PIC
  • 交联剂
  • 固化剂
  • 脂肪族聚异氰酸酯
  • 异氰酸酯
  • 聚异氰脲酯
  • 聚异氰酸酯

材料

涂料
弹性, 溶剂型, 耐气候, 柔韧, 坚硬

一般特征

Desmodur N 3800 is an aliphatic polyisocyanate (flexibilizing HDI trimer).
It is suitable for use as the hardener component for lightfast polyurethane coating systems.

储存条件

Desmodur N 3800 should be stored in tightly sealed original containers and protected from moisture, heat, and foreign materials. The product is sensitive to moisture. Storage at higher temperatures will result in increase of color and viscosity. Due to the raw materials used, the product can occasionally exhibit temperature-dependent turbidity. This turbidity can be reversed by thinning with solvents or heating carefully to maximum 50°C without adversely affecting the quality of the product. 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
Viscosity at 23°C mPa∙s 6,000 ± 1,200
NCO content % 11.0 ± 0.5
Hazen color value ≤ 80
Monomeric HDI % ≤ 0.25

属性名称 测试方法 单位 数值
Equivalent weight approx. 382
Density at 20°C g/cm^3 1.12
Weight per gallon at 20°C lb. 9.33
Flash point °C approx. 235
Viscosity at 25^oC mPa∙s approx. 5,500

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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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