Wan klas ɔf tubular rɔba prodak dɛm we dɛn kin yuz fɔ transpɔt gas, likwid, slɔri ɔ granul matirial. I gɛt insay ɛn ɔda rɔba layt ɛn skel layt, ɛn di tin we dɛn mek wit skel layt kin bi kɔtɔn fayba, difrɛn sintetik fayba, kabɔn fayba ɔ asbest, stɛl waya, ɛn ɔda tin dɛn Jɛnɛral wan, di insay ɛn ɔda rɔba layt na di hos na natura rɔba, styrene-butadien rɔba ɔ butadiene rɔba; di hos we nɔ de mek ɔyl, na nioprene ɛn naytrayl rɔba dɛn mek am; asid ɛn alkali-rɛsistant, ay-tɛmpracha-rɛsistant hos na ethylene propylene rɔba, fluorine rɔba ɔ silikon rɔba, ɛn ɔda tin dɛn

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