... 2>. EPDM as raw material,very strong anti-old chemical property,durable,convenient installaion,beauty appearance 3>. after the ... Features:flexibility and anti-deformation,anti-aging,anti-ozone,anti-chemical reaction.auto/tractor/bus seals:1. mainly made from ... good flexibility and anti-deformation, anti-aging, anti-ozone, anti-chemical reactions 3. use of a wide temperature range (-40 ~ +120 ) ...