发布时间:2025-02-03 00:52:44
细沙好。
细沙在填充墙面的微小缝隙方面效果更好,可以提高真石漆的附着力和耐久性。而粗砂的颗粒较大,对基底的遮盖力明显不足,要达到合格的最低盖底要求,就需要漆层足够厚,这会导致漆层出现流挂现象,颜色不一致的问题。因此真石漆细沙好。
跪求内容为上海城市精神并包含1115重大火灾事件以及世博成功举办的主持稿
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