- 涂料
Desmodur® N 3900
i
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关于
材料类型
- PIC
- 脂肪族聚异氰酸酯
- 交联剂
- 聚异氰酸酯
- 固化剂
- 聚异氰脲酯
- 异氰酸酯
材料
- 涂料
- 易混合, 低粘性, 无溶剂, 溶剂型, 耐气候, 水性
一般特征
Desmodur N 3900 is a low-viscosity, aliphatic polyisocyanate resin based on hexamethylene diisocyanate (HDI).
It is used as the hardener for weather-stable coating systems.
It is used as the hardener for weather-stable coating systems.
储存条件
Desmodur N 3900 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. Storage at significant lower temperatures will result in solidification. This solidification is reversible by briefly heating the product without adversely affecting the quality of the product. Recommended storage temperature is 0º-30ºC.
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 |
|---|---|---|---|
| Hazen color value | ≤ 40 | ||
| Monomeric HDI | % | < 0.25 | |
| NCO content | % by wt. | 23.5 ± 0.5 | |
| Viscosity at 23°C | mPa∙s | 730 ± 100 |
| 属性名称 | 测试方法 | 单位 | 数值 |
|---|---|---|---|
| Flash point | °C | approx. 203 | |
| Density | g/cm^3 | approx. 1.15 | |
| Equivalent weight | approx. 179 |
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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
