... decomposed by microbes, better than TPS chemical material,Biodegradable for bags(BOR-M-501F)Characters: Granules come in cylinder ... mulch film, medical-use film,shopping bag,garbage bag,T-shirt bag,storage bag, table cloth,aprons,rain coat,etc. Processing equipment:Common film-blowing machine,cast-film extruder, bag ... achieved with a screw L/D ratio more than 28:1.The blow-up ratio should be more than ...