涂膜厚度如何控制?

2025-04-07 13:07:55
推荐回答(5个)
回答(1):

涂膜防水施工前,必须根据设计要求的每平方米涂料用量、涂膜厚度及涂料材性,事先试验确定每遍涂料涂刷的厚度及每个涂层需要涂刷的遍数,如一布二涂,即先涂底层,再加胎体增强材料,再涂面层。施工时就要按试验的要求,每涂层涂刷几遍进行,而且面层至少应涂刷二遍或二遍以上,合成高分子防水涂料还要求底涂层有1mm厚才可铺设胎体增强材料。这样才能较准确地控制层厚,并且使每道都能实干,从而保证施工质量。

回答(2):

层次 加筋材料 胶料量(kg/m2)总厚度(mm)第一遍(mm)第二遍(道)第二遍(道)...

一毡二涂 聚酯毡 2.4 1.5 刷胶料0.7刷胶料0.5铺毡一层毡面刷胶0.4刷胶料0.8

回答(3):

可以用温度,还有厚度来控制

回答(4):

可以用无损涂镀层测厚仪测量控制,国产的价格不贵质量也很杠杠的

回答(5):

涂膜厚度的控制
辊涂的涂膜厚度主要通过调整取料累与涂覆辊(或调节累与取料辊)之间的间隙与周速比进行控制。
同向辊涂机由于转辊动方向相同,调整辊之间的间隙,涂膜厚度随间隙的增大而增厚。但这类辊涂机只适于低黏度涂料,其膜厚调整控制范围在20以内。
由于取料辊与涂覆辊系同向转动,通过调整它们之间的间隙,涂膜厚度随间隙的增大而增厚。同样调整取料辊/涂覆辊的周速比也能调整涂膜的厚度,周速比增大,涂料的涂覆量增加,涂膜厚度随着增厚。这种调整钢制转辊(取料辊)与橡胶转辊(坐浴籴覆辊)之间的间隙控制涂膜厚度的方法,必须根据涂料黏度决定涂膜厚度的控制范围,黏度低的涂料涂厚膜困难,黏度高的涂料涂膜厚度会偏高,实际的涂膜厚度控制范围是1~70(湿膜厚度)。

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