江西附近非膨脹型防火涂料施工
發(fa)布時間：2025-10-11 00:37:17
江西附近非膨脹型防火涂料施工
防(fang)火(huo)(huo)涂(tu)料(liao)怎樣從(cong)涂(tu)層(ceng)厚度來(lai)選(xuan)擇(ze)應(ying)(ying)用(yong)(yong)(yong)(yong)。對于各(ge)種(zhong)鋼材質的(de)(de)建筑來(lai)講，鋼結(jie)(jie)構(gou)防(fang)火(huo)(huo)涂(tu)料(liao)就(jiu)是它們的(de)(de)防(fang)火(huo)(huo)保(bao)護外(wai)(wai)衣。我(wo)們就(jiu)從(cong)防(fang)火(huo)(huo)涂(tu)料(liao)涂(tu)層(ceng)厚度來(lai)選(xuan)擇(ze)去(qu)對應(ying)(ying)不同(tong)情(qing)況下的(de)(de)建筑。首先耐火(huo)(huo)極(ji)限(xian)要(yao)(yao)求(qiu)(qiu)1.5H以下，要(yao)(yao)求(qiu)(qiu)有(you)交好的(de)(de)外(wai)(wai)觀裝飾效果，但(dan)施工周期(qi)長及成(cheng)(cheng)本(ben)(ben)(ben)較(jiao)高。必須(xu)要(yao)(yao)用(yong)(yong)(yong)(yong)超薄型防(fang)火(huo)(huo)涂(tu)料(liao)，這(zhe)種(zhong)我(wo)們多數(shu)用(yong)(yong)(yong)(yong)在室內鋼結(jie)(jie)構(gou)上。然(ran)后耐火(huo)(huo)極(ji)限(xian)要(yao)(yao)求(qiu)(qiu)2.5H以下，對外(wai)(wai)觀裝飾效果沒有(you)較(jiao)高要(yao)(yao)求(qiu)(qiu)的(de)(de)，均(jun)可選(xuan)用(yong)(yong)(yong)(yong)，且(qie)施工期(qi)短及成(cheng)(cheng)本(ben)(ben)(ben)低(di)。薄型防(fang)火(huo)(huo)涂(tu)料(liao)就(jiu)能很好的(de)(de)去(qu)應(ying)(ying)用(yong)(yong)(yong)(yong)，同(tong)樣的(de)(de)鋼結(jie)(jie)構(gou)廠房(fang)、梁架等等。耐火(huo)(huo)極(ji)限(xian)要(yao)(yao)求(qiu)(qiu)達到3H,必須(xu)選(xuan)用(yong)(yong)(yong)(yong)厚型防(fang)火(huo)(huo)涂(tu)料(liao)。這(zhe)種(zhong)用(yong)(yong)(yong)(yong)在鋼結(jie)(jie)構(gou)的(de)(de)處于那種(zhong)低(di)成(cheng)(cheng)本(ben)(ben)(ben)，降低(di)藝(yi)術性，高性能的(de)(de)一種(zhong)應(ying)(ying)用(yong)(yong)(yong)(yong)。
江西附近非膨脹型防火涂料施工
鋼(gang)結構防火(huo)涂料(liao)施工(gong)(gong)(gong)竣工(gong)(gong)(gong)后，施工(gong)(gong)(gong)單位(wei)應對施工(gong)(gong)(gong)質(zhi)(zhi)量(liang)進行自(zi)檢(jian)，并形成檢(jian)驗報(bao)告(gao)，提交(jiao)建設(she)單位(wei)。鋼(gang)結構防火(huo)涂料(liao)工(gong)(gong)(gong)程(cheng)驗收時，應提供下列資料(liao)：產品(pin)型式認可(ke)證書(shu)、型式檢(jian)驗報(bao)告(gao)、產品(pin)合格證、產品(pin)使(shi)用說明(ming)書(shu)、施工(gong)(gong)(gong)工(gong)(gong)(gong)藝；鋼(gang)結構防火(huo)涂料(liao)生產單位(wei)與工(gong)(gong)(gong)程(cheng)定(ding)貨單位(wei)簽定(ding)的(de)訂貨合同或；鋼(gang)結構防火(huo)涂料(liao)施工(gong)(gong)(gong)組織設(she)計(ji)方案(an)及防火(huo)涂料(liao)施工(gong)(gong)(gong)質(zhi)(zhi)量(liang)自(zi)檢(jian)報(bao)告(gao)；施工(gong)(gong)(gong)過程(cheng)的(de)檢(jian)查(cha)(cha)記錄(lu)(lu)；隱(yin)蔽工(gong)(gong)(gong)程(cheng)的(de)檢(jian)查(cha)(cha)記錄(lu)(lu)；對施工(gong)(gong)(gong)中不合格項等問題的(de)處理記錄(lu)(lu)；其他(ta)有關(guan)文件和記錄(lu)(lu)。
江西附近非膨脹型防火涂料施工
涂(tu)(tu)(tu)層厚度(du)在3～7mm的(de)防火(huo)(huo)(huo)涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)稱為薄涂(tu)(tu)(tu)型鋼(gang)結構防火(huo)(huo)(huo)涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)。該類涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)受火(huo)(huo)(huo)時(shi)能膨脹(zhang)發泡(pao)，以膨脹(zhang)發泡(pao)所形(xing)成(cheng)的(de)耐火(huo)(huo)(huo)隔熱(re)層延(yan)緩鋼(gang)材的(de)升溫，保護鋼(gang)構件。這(zhe)類涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)一般(ban)是用(yong)(yong)合(he)適的(de)乳膠(jiao)聚合(he)物作基(ji)料(liao)(liao)(liao)(liao)(liao)，再配以阻(zu)燃劑(ji)、添(tian)加劑(ji)等組成(cheng)。對這(zhe)類防火(huo)(huo)(huo)涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)，要求選用(yong)(yong)的(de)乳液聚合(he)物必須對鋼(gang)基(ji)材具有良好(hao)附(fu)著力、耐久性和(he)耐水(shui)性。對于用(yong)(yong)水(shui)性乳液作基(ji)料(liao)(liao)(liao)(liao)(liao)的(de)防火(huo)(huo)(huo)涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)，阻(zu)燃添(tian)加劑(ji)、顏料(liao)(liao)(liao)(liao)(liao)及填料(liao)(liao)(liao)(liao)(liao)是分(fen)(fen)散到水(shui)中的(de)，因而水(shui)實際上起分(fen)(fen)散載體的(de)作用(yong)(yong)，為了使(shi)(shi)粒狀的(de)各種(zhong)添(tian)加劑(ji)能更好(hao)地分(fen)(fen)散，還(huan)加入分(fen)(fen)散劑(ji)，如常(chang)用(yong)(yong)的(de)六偏磷酸(suan)鈉(na)等。超薄型防火(huo)(huo)(huo)涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)是指涂(tu)(tu)(tu)層厚度(du)不超過3mm的(de)防火(huo)(huo)(huo)涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)，這(zhe)類防火(huo)(huo)(huo)涂(tu)(tu)(tu)料(liao)(liao)(liao)(liao)(liao)受火(huo)(huo)(huo)時(shi)膨脹(zhang)發泡(pao)，形(xing)成(cheng)致(zhi)密的(de)防火(huo)(huo)(huo)隔熱(re)層，是近(jin)幾年發展起來(lai)的(de)新品(pin)種(zhong)。它可采(cai)用(yong)(yong)噴(pen)涂(tu)(tu)(tu)、刷涂(tu)(tu)(tu)或輥涂(tu)(tu)(tu)施工，一般(ban)使(shi)(shi)用(yong)(yong)在要求耐火(huo)(huo)(huo)極限2h以內的(de)建(jian)筑鋼(gang)結構上。
江西附近非膨脹型防火涂料施工
大部分溶劑型涂(tu)(tu)料對(dui)于施(shi)(shi)工(gong)時的(de)濕(shi)(shi)度(du)(du)條件(jian)要求不(bu)(bu)像水性涂(tu)(tu)料那樣(yang)高(gao)，但對(dui)于溫(wen)(wen)度(du)(du)條件(jian)的(de)要求則是(shi)(shi)相近的(de)。應(ying)在(zai)合(he)適的(de)環(huan)境條件(jian)下刷(shua)涂(tu)(tu)料，例如氣溫(wen)(wen)、濕(shi)(shi)度(du)(du)、光線(xian)和衛生條件(jian)等，這樣(yang)能(neng)夠保(bao)證(zheng)涂(tu)(tu)裝質(zhi)量。防火(huo)涂(tu)(tu)料涂(tu)(tu)裝的(de)條件(jian)要求涂(tu)(tu)裝的(de)溫(wen)(wen)度(du)(du)條件(jian)，在(zai)15~25℃下刷(shua)涂(tu)(tu)。溫(wen)(wen)度(du)(du)太低，防火(huo)涂(tu)(tu)料干燥慢，有(you)些涂(tu)(tu)料甚至不(bu)(bu)能(neng)固(gu)化(hua)(hua)；氣溫(wen)(wen)過高(gao)，涂(tu)(tu)刷(shua)性能(neng)受到影響。聚(ju)酯漆(qi)施(shi)(shi)工(gong)時溫(wen)(wen)度(du)(du)有(you)不(bu)(bu)同的(de)要求，非(fei)蠟型聚(ju)酯清(qing)漆(qi)可以(yi)在(zai)較高(gao)溫(wen)(wen)度(du)(du)條件(jian)下進(jin)行(xing)固(gu)化(hua)(hua)，而蠟型聚(ju)酯清(qing)漆(qi)涂(tu)(tu)飾與固(gu)化(hua)(hua)的(de)適宜溫(wen)(wen)度(du)(du)是(shi)(shi)15~30℃；當環(huan)境溫(wen)(wen)度(du)(du)超過38℃，則涂(tu)(tu)層的(de)膠(jiao)凝作用進(jin)行(xing)得(de)很快，含在(zai)漆(qi)中的(de)石蠟來不(bu)(bu)及浮出表(biao)面隔氧，導致涂(tu)(tu)層固(gu)化(hua)(hua)情(qing)況迅速惡化(hua)(hua)，漆(qi)膜模糊并(bing)且發粘，不(bu)(bu)能(neng)打磨。