一、998結構膠與995的區別
1、998結構(gou)(gou)膠可以(yi)用(yong)于建筑性結構(gou)(gou)的粘貼,還(huan)可以(yi)用(yong)于地(di)面瓷(ci)磚的粘接上,可以(yi)增強(qiang)瓷(ci)磚的耐沖擊性與抗脫離性,另外,在(zai)金屬(shu)、陶瓷(ci)、塑料、橡膠等材(cai)料上,也可以(yi)用(yong)998結構(gou)(gou)膠來粘貼,但(dan)是(shi)其沒(mei)有防水功能(neng)。
2、995結(jie)構(gou)膠的(de)強度比較(jiao)(jiao)高,可以承受較(jiao)(jiao)大的(de)荷載,其特點是耐老化、耐腐蝕(shi)、抗(kang)剝離(li)、耐沖擊等等,適用于(yu)玻璃、鋁(lv)合金、瓷磚等裝(zhuang)飾材(cai)料的(de)粘貼(tie)上。
3、998結(jie)構膠與995結(jie)構膠的固化時間(jian)不一樣,適(shi)用的材料也不一樣,所以(yi)兩者不能混合使(shi)用,也不能互相代替(ti)使(shi)用,在使(shi)用前要先了(le)解清楚(chu)它們的特性。
二、怎么選購結構膠
1、選購(gou)結(jie)構(gou)膠(jiao)(jiao)(jiao)需(xu)明白專膠(jiao)(jiao)(jiao)專用(yong)(yong)(yong)(yong)(yong)。工(gong)(gong)程(cheng)結(jie)構(gou)加(jia)(jia)固(gu)用(yong)(yong)(yong)(yong)(yong)結(jie)構(gou)膠(jiao)(jiao)(jiao)不是單一(yi)的一(yi)種膠(jiao)(jiao)(jiao),它有很多分(fen)類。比如,按(an)(an)(an)膠(jiao)(jiao)(jiao)接基(ji)材(cai)的不同(tong),分(fen)為混凝(ning)土用(yong)(yong)(yong)(yong)(yong)膠(jiao)(jiao)(jiao)、結(jie)構(gou)鋼(gang)(gang)用(yong)(yong)(yong)(yong)(yong)膠(jiao)(jiao)(jiao)、砌(qi)體(ti)用(yong)(yong)(yong)(yong)(yong)膠(jiao)(jiao)(jiao)和(he)(he)木材(cai)用(yong)(yong)(yong)(yong)(yong)膠(jiao)(jiao)(jiao)等,每種膠(jiao)(jiao)(jiao)還應(ying)按(an)(an)(an)其現場(chang)(chang)固(gu)化(hua)條件(jian)的不同(tong),劃(hua)分(fen)為室(shi)溫固(gu)化(hua)型(xing)(xing)、低溫固(gu)化(hua)型(xing)(xing)和(he)(he)高濕面(或水下)固(gu)化(hua)型(xing)(xing)等三(san)種類型(xing)(xing)結(jie)構(gou)膠(jiao)(jiao)(jiao)。除此之外,結(jie)構(gou)膠(jiao)(jiao)(jiao)應(ying)按(an)(an)(an)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)場(chang)(chang)景(jing)分(fen)類,不能混淆使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)。比如植(zhi)筋(jin)膠(jiao)(jiao)(jiao)與粘(zhan)鋼(gang)(gang)膠(jiao)(jiao)(jiao),《建筑(zhu)結(jie)構(gou)加(jia)(jia)固(gu)工(gong)(gong)程(cheng)施工(gong)(gong)質量驗收規范》GB50550-2010中(zhong)規定(ding),加(jia)(jia)固(gu)過程(cheng)中(zhong),嚴禁使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)“植(zhi)筋(jin)-粘(zhan)鋼(gang)(gang)兩用(yong)(yong)(yong)(yong)(yong)膠(jiao)(jiao)(jiao)”。如果(guo)讓粘(zhan)鋼(gang)(gang)膠(jiao)(jiao)(jiao)也(ye)使(shi)(shi)用(yong)(yong)(yong)(yong)(yong)植(zhi)筋(jin)膠(jiao)(jiao)(jiao)的配方,這(zhe)對粘(zhan)鋼(gang)(gang)而(er)言,勢必會留下安(an)全(quan)隱患(huan)。
2、結(jie)構膠(jiao)選用時,應根(gen)據各(ge)類工(gong)程(cheng)結(jie)構安(an)全使(shi)用所要求(qiu)的(de)性(xing)能(neng)和質量(liang)“對癥下藥”,才能(neng)使(shi)結(jie)構膠(jiao)發揮良(liang)好的(de)使(shi)用性(xing)能(neng)、耐(nai)久性(xing)能(neng)和經濟性(xing),保障結(jie)構的(de)安(an)全。
3、就像買日(ri)常用品(pin)一樣,我們(men)往往十分關(guan)(guan)注質(zhi)量問題(ti),對(dui)于(yu)結構(gou)(gou)膠也是如此,質(zhi)量是前提(ti)。為了(le)(le)加強(qiang)對(dui)工程結構(gou)(gou)加固中應用的有關(guan)(guan)材料及制(zhi)品(pin)的質(zhi)量控(kong)制(zhi)和技術管理,確保工程結構(gou)(gou)加固工程的質(zhi)量和安全,行(xing)業內通(tong)過了(le)(le)對(dui)結構(gou)(gou)膠的安全性鑒(jian)定報告(gao)。應當明白,安全性鑒(jian)定報告(gao)必(bi)須為選用結構(gou)(gou)膠的依據(ju)。