膠管近年(nian)來,開始采用熱(re)塑性(xing)橡膠(jiao)(jiao)(jiao),如熱(re)塑性(xing)聚氨酯橡膠(jiao)(jiao)(jiao)、聚酯橡膠(jiao)(jiao)(jiao)等(deng)。膠(jiao)(jiao)(jiao)管(guan)(guan)因易彎曲、能緩沖、重量(liang)輕及安裝使(shi)(shi)用方便等(deng)優(you)點,用途(tu)十分廣(guang)泛(fan),如農業(ye)上排灌農田、港灣疏浚中(zhong)吸排泥漿(jiang),飛機、坦克、汽(qi)車及許多(duo)機械(xie)裝備中(zhong)的液壓(ya)(ya)(ya)(ya)系統(tong)、氣(qi)動系統(tong)、燃油(you)系統(tong)均使(shi)(shi)用許多(duo)膠(jiao)(jiao)(jiao)管(guan)(guan)。氣(qi)割操(cao)作需(xu)要較(jiao)大(da)的氧氣(qi)輸出(chu)量(liang),因此與(yu)氧氣(qi)表(biao)高壓(ya)(ya)(ya)(ya)端連接的氣(qi)瓶(或氧氣(qi)管(guan)(guan)道)閥(fa)門應全(quan)打開,以便保證提供(gong)足(zu)夠的流量(liang)和(he)穩(wen)定的壓(ya)(ya)(ya)(ya)力(li),防(fang)(fang)止(zhi)低壓(ya)(ya)(ya)(ya)表(biao)雖已(yi)表(biao)示工(gong)作壓(ya)(ya)(ya)(ya)力(li),但(dan)使(shi)(shi)用時(shi)壓(ya)(ya)(ya)(ya)力(li)突(tu)然下降,此時(shi)容易發(fa)生回(hui)火,并可能倒燃進入氧氣(qi)膠(jiao)(jiao)(jiao)管(guan)(guan)而引起爆炸(zha)。在(zai)保存(cun)(cun)、運輸和(he)使(shi)(shi)用膠(jiao)(jiao)(jiao)管(guan)(guan)時(shi)必(bi)須注意維護(hu),保持膠(jiao)(jiao)(jiao)管(guan)(guan)的清潔(jie)和(he)不(bu)受損壞。例如避(bi)免陽光(guang)照(zhao)射,雨雪浸(jin)淋、防(fang)(fang)止(zhi)與(yu)酸、堿、油(you)類及其他有機溶(rong)劑等(deng)影響(xiang)膠(jiao)(jiao)(jiao)管(guan)(guan)質(zhi)量(liang)的物質(zhi)接觸。存(cun)(cun)放溫度為-15~40℃,距離熱(re)源應不(bu)小于(yu)1m.如果由于(yu)保存(cun)(cun)和(he)使(shi)(shi)用時(shi)維護(hu)不(bu)善(shan),或膠(jiao)(jiao)(jiao)管(guan)(guan)使(shi)(shi)用日久老化脆硬,這些膠(jiao)(jiao)(jiao)管(guan)(guan)內的硫磺質(zhi)被分解出(chu)來,常(chang)常(chang)會(hui)因此引起回(hui)火爆炸(zha)事故。