陶瓷板块饰面空鼓、脱落的重要原因之一是板块背面与粘结层之间积聚水膜。它的原因和预防措施如下:1.准备原因。临镶贴前才浸水,板块未晾干就上墙,板块背面残存着水迹,使板块与粘结层砂浆之间隔着一道水膜,严重削弱砂浆对板块的粘结 One of the important reasons for the emptying and shedding of the ceramic plate is the accumulation of water film between the back of the plate and the adhesive layer. Its causes and preventive measures are as follows: 1. Preparation reasons. Propping water was not applied until the lining was affixed. The plate did not dry on the wall. There were traces of water remaining on the back of the plate. This made the plate and the adhesive mortar separated by a water film, which severely impaired the adhesion of the mortar to the plate.