发布时间:2025-01-20 16:21:58
与种类有关。
1、酸性玻璃胶打开后,若不进行密封,其开口处会很快凝固,导致打胶枪无法打出。一般情况下,酸性玻璃胶开封后能保存时间不到一个月。
2、中性玻璃胶开封后只要装上胶咀就可以保存三个月左右。但也要注意,打开后的玻璃胶应尽快使用,否则开口处也会逐渐凝固。
1mm环氧封闭底漆铺设导电铜箔并接地刮涂导电腻子两遍多少钱可做152mm
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