... corn starch resin for bags, ASTMD6866-10 easily decomposed by microbes, better than TPS chemical material,Biodegradable for bags(BOR- ... during production,therefore, the film needs to be settled for 24 hour to regain elongation and anti-tear strength ... PE.Once becomes damp, it should be dried for 2 hours at 80°C,and then can be ... the hoppe chemical material, biodegradable starch granule for shopping bag