Wan klas fɔ 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 matirial fɔ 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-butadiene rɔba ɔ bɔtadiɛn rɔba; Dɛn mek di hos we nɔ de mek ɔyl wit niɔprin ɛn naytrayl rɔba; Asid- ɛn alkali-rɛsistant, ay-tɛmpracha-rɛsistant hos dɛn mek am wit ethylene prɔpaylin rɔba, fluorine rɔba ɔ silikon rɔba, ɛn ɔda tin dɛn

Rikɔmɛnd: EPDM:S512F;S5890F;S552-1;J-3060P;J-3080;J-3080 4038ep fɔ mek dɛn rayt am; Ter 4039 we dɛn mek; Ter 4047 we dɛn mek; Ter 4049 we dɛn mek;
CR: SN121;SN122;SN123;cr111;cr112;SN231;SN232;SN233