Ib chav kawm ntawm cov khoom siv roj hmab siv los thauj cov pa roj, kua, slurry lossis granular cov ntaub ntawv. Nws yog tsim los ntawm cov roj hmab sab hauv thiab txheej txheej thiab cov pob txha pob txha, thiab cov khoom siv ntawm cov pob txha txheej tuaj yeem yog paj rwb fiber ntau, fiber ntau hluavtaws, carbon fiber lossis asbestos, steel hlau, thiab lwm yam. Feem ntau, cov roj hmab sab hauv thiab sab nrauv ntawm lub hose yog ua los ntawm cov roj hmab ntuj, styrene-butadiene roj hmab lossis butadiene roj hmab; roj-resistant hose yog ua los ntawm neoprene thiab nitrile roj hmab; acid- thiab alkali-resistant, high-temperature-resistant hose yog ua los ntawm ethylene propylene roj hmab, fluorine roj hmab los yog silicone roj hmab, thiab lwm yam.

Pom zoo: EPDM: S512F; S5890F; S552; S552-1; S6090WF; J-3060P; J-3080; J-3080; 4 038;ib. TIAB SA 4039; TIAB SA 4047; TIAB SA 4049;
CR: SN121; SN122; SN123; CR111; CR112; SN231; SN232; SN233; SN238; SN239; CR211; CR212; CR213; SN321; SN322; SN323;