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Material

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General Characterization

基于六亚甲基二异氰酸酯的亲水性脂肪族聚异氰酸酯
Desmodur® ultra DA- L是无溶剂液体聚异氰酸酯,乳化水性聚合物分散体。任何偶尔可见浑浊或沉淀是由极少量加工助剂。这些没有影响固化胶粘剂的加工和最终性能。主要是pH值中性的水溶液,它可以用作交联聚合物分散体,如聚氨酯,乙酸乙烯酯,聚丙烯和合成橡胶乳液。交联提高了粘结剂的耐热性,耐水性,耐增塑剂和耐多种溶剂。

Storage Conditions

-储存于科思创原装密封容器中。
-推荐储存温度:0-30℃.
-避免潮气、热和外来物质。
一般信息:亲水性异氰酸酯对潮气非常敏感,与水发生反应会形成二氧化碳和不溶性脲。因此容器必须始终保持密封。避免以所有形式的水进入(湿润的空气,含水的溶剂,潮湿的容器),因为二氧化碳会导致压力危险性增加。在更高的存储气温将导致颜色和粘度增加。

Sampling

No data available

Packaging Type

60升的金属罐,60公斤。

Technical Properties & Datasheets

Characteristics

Property Name Test Method Unit Value
闪点 DIN EN 22719 °C 215
密度,20℃ DIN 51757 g/cm3 约 1.16

Specifications

Property Name Test Method Unit Value
粘度, 23°C M014-ISO 3219/A.3 mPa*s 3000 ± 600
NCO含量 M105-ISO 11909 % 20.0 ± 1
HDI单体含量 M106-ISO 10283 % < 0.1

Downloads

Technical Data Sheet
Safety Data Sheet
No direct download available, please visit www.productsafetyfirst.covestro.com

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