... 2.good quality 3.not oold 4.fresh rubber not old PE film for cushion gum:Analytic: PE film to be ... fresh of rubber, and keep the rubber not decline, not old.spec.:ItemFirst gradeSecond grade1. Melting point °C100-115100-1252. Light ... steel half steel, large tyre glue), mat gel in.not old PE film for cushion gum pictures: not ...