... electrical performance.SBR: high tensile strengh,abrasion resistance,heat resistance,ozone resistance,acid resistance,alkali resistance,alkali ... acid resistance,alkali resistance,and good fire resistance.NBR: oil resistance,acid resistance,alkali resistance,no permeation ... high tensile strength,good tearing property,abrasion resistance,heat resistance,acid resistance,alkali resistance.FPM:high tensile ...