Hydrogenated Nitrile Roj Hmab (HNBR lossis HSN) yog cov khoom lag luam ntawm cov roj carbon-carbon ob chav ntawm cov roj hmab nitrile, yog li nws tseem yog cov roj hmab noo noo.

FluoroelAlomer yog lub rooj hluavtaws polymer elastomer muaj cov tshuaj fluorine atoms ntawm cov pa roj hmab tseem ceeb ntawm cov saw hlau tseem ceeb. Cov lus qhia txog cov tshuaj roj fluorine muab cov roj hmab ua kom zoo heev, thiab yog siv dav hauv ib lub tshuab hluav taws xob, thiab cov roj av, roj av thiab tsev neeg khoom siv.

Ethylene Roj Hmab yog cov roj hmab hluavtaws nrog ethylene prosylene pranticing, epdm), tshav kub-resistant hoses, tapes, Automotive ntsaws ruaj ruaj, roj nplua nyeem cov roj ntxiv thiab lwm yam khoom.

Zinc oxide yog cov tshuaj yeeb dej caw nrog cov tshuaj lom neeg zno, ib tug oxide ntawm zinc. Nws yog insoluble hauv dej thiab soluble hauv cov kua qaub thiab cov hauv paus muaj zog. Zinc oxide yog cov tshuaj lom neeg sib ntxiv thiab tau siv dav hauv cov roj hmab hluavtaws.