Kilasi ti awọn ọja roba tubular ti a lo lati gbe gaasi, omi, slurry tabi awọn ohun elo granular. O ti wa ni akojọpọ ati ita roba Layer ati egungun Layer, ati awọn ohun elo ti skeleton Layer le jẹ owu okun, orisirisi sintetiki okun, erogba okun tabi asbestos, irin waya, bbl Ni gbogbogbo, awọn akojọpọ inu ati lode roba Layer ti awọn okun ti wa ni ṣe ti adayeba roba, styrene-butadiene roba tabi butadiene roba; okun-sooro epo jẹ ti neoprene ati roba nitrile; acid- ati alkali-sooro, okun ti o ni iwọn otutu ti o ga julọ jẹ ti roba ethylene propylene, roba fluorine tabi roba silikoni, bbl

Ṣeduro: EPDM:S512F;S5890F;S552;S552-1;S6090WF;J-3060P;J-3080;J-3080P;J-3092E;TER 4038EP; TER 4039; TER 4047; TER 4049;
CR: SN121; SN122; SN123; CR111; CR112; SN231; SN232; SN233; SN238; SN239; CR211; CR212; CR213; SN321; SN322; SN323;