... decomposed by microbes, better than TPS chemical material,Biodegradable for bags(BOR-M-501F)Characters: Granules come in cylinder ... production,therefore, the film needs to be settled for 24 hour to regain elongation and anti-tear strength ... of PE.Once becomes damp, it should be dried for 2 hours at 80°C,and then can be put ... the hoppe chemical material, biodegradable starch granule for shopping bag