一般(ban)膠(jiao)(jiao)(jiao)管的(de)內(nei)外膠(jiao)(jiao)(jiao)層材料采(cai)用天然橡(xiang)膠(jiao)(jiao)(jiao)、丁(ding)苯橡(xiang)膠(jiao)(jiao)(jiao)或(huo)順丁(ding)橡(xiang)膠(jiao)(jiao)(jiao);耐(nai)油膠(jiao)(jiao)(jiao)管采(cai)用氯丁(ding)橡(xiang)膠(jiao)(jiao)(jiao)、丁(ding)腈橡(xiang)膠(jiao)(jiao)(jiao);耐(nai)酸堿,耐(nai)高溫膠(jiao)(jiao)(jiao)管采(cai)用乙丙橡(xiang)膠(jiao)(jiao)(jiao)、氟(fu)橡(xiang)膠(jiao)(jiao)(jiao)或(huo)硅橡(xiang)膠(jiao)(jiao)(jiao)等產品特色。
膠管的內膠層直接承受輸送(song)介質的磨損、侵蝕,且防止其泄漏。
外(wai)膠層(ceng)(ceng)保護骨(gu)架(jia)(jia)層(ceng)(ceng)不受(shou)外(wai)界的(de)損傷和侵(qin)蝕;骨(gu)架(jia)(jia)層(ceng)(ceng)是膠管(guan)(guan)的(de)承壓層(ceng)(ceng),賦予管(guan)(guan)體(ti)強(qiang)度和剛度。膠管(guan)(guan)的(de)工作壓力取決于骨(gu)架(jia)(jia)層(ceng)(ceng)的(de)材料和結構。膠管(guan)(guan)按其骨(gu)架(jia)(jia)層(ceng)(ceng)材料和結構可分為(wei)全膠膠管(guan)(guan)(無織(zhi)(zhi)物(wu)材料)、夾布(bu)膠管(guan)(guan)(骨(gu)架(jia)(jia)層(ceng)(ceng)為(wei)布(bu)層(ceng)(ceng))、吸(xi)(xi)引膠管(guan)(guan)(布(bu)層(ceng)(ceng)外(wai)還有一(yi)層(ceng)(ceng)金屬螺(luo)旋(xuan)線)、編織(zhi)(zhi)膠管(guan)(guan)(骨(gu)架(jia)(jia)層(ceng)(ceng)為(wei)編織(zhi)(zhi)的(de)鋼絲(si)或(huo)織(zhi)(zhi)物(wu))、纏繞膠管(guan)(guan)(骨(gu)架(jia)(jia)層(ceng)(ceng)為(wei)鋼絲(si)或(huo)線繩纏繞層(ceng)(ceng))、針織(zhi)(zhi)膠管(guan)(guan)(骨(gu)架(jia)(jia)層(ceng)(ceng)為(wei)針織(zhi)(zhi)物(wu))、短纖維膠管(guan)(guan)(短纖維與橡膠共混(hun)壓而成)。其中吸(xi)(xi)引膠管(guan)(guan)在負(fu)壓下工作,鋼絲(si)編織(zhi)(zhi)膠管(guan)(guan)或(huo)纏繞膠管(guan)(guan)能(neng)承受(shou)80~600MPa乃至更高的(de)壓力。
膠管(guan)生產的(de)基(ji)本工序(xu)為混煉膠加(jia)工、簾(lian)布(bu)(見簾(lian)子(zi)線)及帆布(bu)加(jia)工、膠管(guan)成(cheng)型、硫化等。不(bu)同(tong)(tong)結構及不(bu)同(tong)(tong)骨架的(de)膠管(guan),其骨架層的(de)加(jia)工方(fang)法(fa)及膠管(guan)成(cheng)型設備各異。