膠管近(jin)年來(lai),開(kai)始采(cai)用(yong)(yong)熱(re)(re)塑(su)性(xing)橡膠,如熱(re)(re)塑(su)性(xing)聚(ju)氨酯橡膠、聚(ju)酯橡膠等(deng)。膠管(guan)(guan)(guan)因易(yi)彎(wan)曲、能(neng)緩(huan)沖(chong)、重量(liang)輕及(ji)安裝(zhuang)使(shi)用(yong)(yong)方便(bian)等(deng)優點,用(yong)(yong)途十分廣泛(fan),如農業(ye)上排灌農田、港(gang)灣疏浚中(zhong)吸排泥漿,飛機(ji)、坦克、汽(qi)車及(ji)許(xu)多機(ji)械裝(zhuang)備中(zhong)的(de)(de)(de)液壓(ya)(ya)系統(tong)、氣(qi)(qi)(qi)(qi)動系統(tong)、燃油系統(tong)均使(shi)用(yong)(yong)許(xu)多膠管(guan)(guan)(guan)。氣(qi)(qi)(qi)(qi)割操(cao)作需要較(jiao)大(da)的(de)(de)(de)氧(yang)(yang)氣(qi)(qi)(qi)(qi)輸出量(liang),因此與氧(yang)(yang)氣(qi)(qi)(qi)(qi)表高(gao)壓(ya)(ya)端(duan)連接的(de)(de)(de)氣(qi)(qi)(qi)(qi)瓶(或(huo)氧(yang)(yang)氣(qi)(qi)(qi)(qi)管(guan)(guan)(guan)道)閥門應全打開(kai),以(yi)便(bian)保(bao)證提供足夠的(de)(de)(de)流量(liang)和穩定的(de)(de)(de)壓(ya)(ya)力,防止(zhi)低壓(ya)(ya)表雖(sui)已表示工作壓(ya)(ya)力,但使(shi)用(yong)(yong)時(shi)壓(ya)(ya)力突然下降,此時(shi)容(rong)易(yi)發生回火(huo),并可(ke)能(neng)倒燃進入氧(yang)(yang)氣(qi)(qi)(qi)(qi)膠管(guan)(guan)(guan)而引起爆(bao)炸。在(zai)保(bao)存、運輸和使(shi)用(yong)(yong)膠管(guan)(guan)(guan)時(shi)必須注意維護,保(bao)持膠管(guan)(guan)(guan)的(de)(de)(de)清(qing)潔和不受損壞(huai)。例如避(bi)免(mian)陽光(guang)照射(she),雨雪浸淋、防止(zhi)與酸、堿、油類及(ji)其他(ta)有機(ji)溶劑等(deng)影響膠管(guan)(guan)(guan)質(zhi)量(liang)的(de)(de)(de)物質(zhi)接觸。存放溫度為-15~40℃,距離熱(re)(re)源應不小于1m.如果(guo)由于保(bao)存和使(shi)用(yong)(yong)時(shi)維護不善(shan),或(huo)膠管(guan)(guan)(guan)使(shi)用(yong)(yong)日(ri)久老(lao)化(hua)脆硬,這(zhe)些膠管(guan)(guan)(guan)內的(de)(de)(de)硫磺質(zhi)被分解出來(lai),常常會因此引起回火(huo)爆(bao)炸事故(gu)。