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(一○七)釉面砖为什么不能在室外镶贴?釉面砖即瓷砖,是一种护墙和装饰用的白色或其它颜色的陶质砖,它耐酸、耐碱,表面光滑洁净,施工方便,使用中易于清洗,造价不高,因此,在建筑工程中应用很广。釉面砖的部颁标准JC200~5规定,釉面砖只适用于室内。为什么呢?这是因为釉面砖是陶质材料经研磨成型烧坯、上釉再烧结而成。釉面砖上的釉是第二次烧前涂上的,坯和釉的结合比较差,如遇坯
(10) Why can’t glazed tiles be used for outdoor decoration? Glazed tiles are ceramic tiles. They are white or other color ceramic bricks used for wall protection and decoration. They are resistant to acids and alkalis, have a smooth and clean surface and are easy to construct. It is easy to clean during use and the cost is not high. Therefore, it is widely used in construction projects. The glazed tile’s ministerial standard JC200~5 stipulates that the glazed tile is only suitable for indoor use. Why? This is because the glazed brick is a ceramic material that has been formed by grinding, glazing, and sintering. The glaze on the glazed tile is coated before the second firing. The combination of the blank and glaze is relatively poor, such as