天气预报 > 教育 > 聚乙烯醇1788介绍
聚乙烯醇1788介绍
更新时间: 2021-05-10 10:00:39  

1、冷溶型聚乙烯醇粉末(PVA-1788),产品型号有:PVA-1788S,PVA-2488S .有机化合物,白色片状、絮状或粉末状固体,无味。能在自来水和冷水中迅速充分溶解。不溶于汽油、煤油、植物油、苯、甲苯、二氯乙烷、四氯化碳、丙酮、醋酸乙酯、甲醇、乙二醇等。微溶于二甲基亚砜。聚乙烯醇是重要的化工原料。

2、主要应用在内外墙腻子、界面剂、陶瓷粘合剂、瓷砖粘合剂、粉刷石膏粘结剂等,可有效地增加水泥、灰浆的粘着力、流动性及减缓水泥表面干燥时间,增加涂工适应性,防止水泥涂布的龟裂。

关键词: 聚乙烯 介绍

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