stretch film manufacturer 1,100% raw LLDPE. 2,Elongation 350%-500%. 3,Anti-sting,Dustproof,Wetproof and Collapse-proof . 1.High Tenacity ,Stretch,Adhesive,Transparence ... -500%10bursting strength>5.8p11temperature/humidity23±20%R/80±5%°C12stock conditionnormal temperature but below 85 centigrade temperature13stock validity time2 year LLDPE stretch film manufacturer