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江西龍正科技(ji)發展(zhan)有(you)限公(gong)司(si)——防火涂料、RPC蓋板生產(chan)廠家
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鋼結構防火涂料刷(shua)涂(tu)(tu)間(jian)隔時(shi)間(jian)及厚(hou)度(du)(du)控(kong)制:刷(shua)涂(tu)(tu)施(shi)工(gong)(gong)同樣(yang)必(bi)須分遍(bian)(bian)(bian)成活,每一(yi)遍(bian)(bian)(bian)刷(shua)涂(tu)(tu)需待上一(yi)遍(bian)(bian)(bian)涂(tu)(tu)層(ceng)完全(quan)干燥固化后方可進行。在施(shi)工(gong)(gong)環境通風良(liang)好(hao),相對(dui)濕度(du)(du)不(bu)(bu)大(da)(da),天氣晴好(hao)的情況下,重刷(shua)間(jian)隔約(yue)為24-48小時(shi)(第(di)一(yi)遍(bian)(bian)(bian)刷(shua)涂(tu)(tu)間(jian)隔時(shi)間(jian)可適當(dang)縮短)。當(dang)相對(dui)濕度(du)(du)大(da)(da)于90%,雨(yu)天或鋼構(gou)件表面(mian)結露時(shi),若不(bu)(bu)采取其他措(cuo)施(shi),不(bu)(bu)宜進行刷(shua)涂(tu)(tu)施(shi)工(gong)(gong)。每一(yi)遍(bian)(bian)(bian)涂(tu)(tu)料刷(shua)涂(tu)(tu)厚(hou)度(du)(du)不(bu)(bu)宜超(chao)過(guo)1.5mm(第(di)一(yi)遍(bian)(bian)(bian)厚(hou)度(du)(du)不(bu)(bu)宜超(chao)過(guo)0.5mm),以免涂(tu)(tu)層(ceng)刷(shua)涂(tu)(tu)過(guo)厚(hou)出現流墜。刷(shua)涂(tu)(tu)施(shi)工(gong)(gong)時(shi),操作者須隨身攜(xie)帶測厚(hou)針進行測定(ding),確保單遍(bian)(bian)(bian)刷(shua)涂(tu)(tu)1.5mm(第(di)一(yi)遍(bian)(bian)(bian)不(bu)(bu)超(chao)過(guo)0.5mm),并根據上述施(shi)工(gong)(gong)方法,循環反(fan)復(fu)直(zhi)至(zhi)達(da)到設計規定(ding)的厚(hou)度(du)(du)要求。
廣東防火涂料廠家教您鋼結構防火涂料怎么使用可以提高性能?鋼結構防火涂料主要可分為超薄型、薄型、厚型3大類,根據使用的位置不同,每個大類又可分為室內型和室外型。薄型鋼結構防火涂料涂刷于建筑(zhu)物(wu)(wu)及鋼(gang)結(jie)構建筑(zhu)物(wu)(wu)表面,能(neng)形成耐(nai)火隔熱保護層,大(da)大(da)提高(gao)鋼(gang)結(jie)構的耐(nai)火極限。
廣東防火涂料廠家薄(bo)型(xing)鋼結(jie)構(gou)防(fang)(fang)火(huo)涂(tu)料(liao):涂(tu)層(ceng)厚度大于(yu)3 mm且小于(yu)或(huo)等于(yu)7 mm; 薄(bo)型(xing)鋼結(jie)構(gou)防(fang)(fang)火(huo)涂(tu)料(liao)固體(ti)含量較大,較易沉淀(dian),使用前(qian)應充分攪勻。施(shi)(shi)工(gong)前(qian)首先(xian)應將鋼基材表面的油污、雜質、銹(xiu)(xiu)跡、銹(xiu)(xiu)斑徹底除(chu)掉,然后先(xian)刷一道(dao)防(fang)(fang)銹(xiu)(xiu)底漆(qi),其目的是(shi)防(fang)(fang)止鋼結(jie)構(gou)生銹(xiu)(xiu),以延長使用壽命(ming),另外可使鋼結(jie)構(gou)表面與涂(tu)層(ceng)之間具(ju)有良好的結(jie)合(he)力(li),提高整個涂(tu)層(ceng)的保護性能。涂(tu)防(fang)(fang)銹(xiu)(xiu)底漆(qi)緊接著施(shi)(shi)工(gong)前(qian)表面處理進行,兩工(gong)序之間的間隔應盡(jin)可能縮(suo)短。