An antifogging cover having high hydrophilicity and excellent durability in hot and humid surroundings, especially for meter use, is provided.
The antifogging cover is an antifogging cover having a coating layer of hydrophilic composition on at least one side of a substrate, characterized in that the coating layer surface has a water contact angle of 15° or below not only before but also after it is subjected to 500-hour immersion in 30°C water, and moreover its center-line average roughness Ra is from 1.0 nm to 5.0 nm.
本发明提供了一种在湿热环境中具有高亲
水性和出色耐久性的防雾罩,尤其适用于仪表用途。
该防雾盖是一种在基体的至少一面具有亲
水成分涂层的防雾盖,其特征在于涂层表面在 30°C
水中浸泡 500 小时之前和之后的
水接触角均为 15°或以下,而且其中心线平均粗糙度 Ra 为 1.0 nm 至 5.0 nm。