Product Description ? 1. Fully Biodegradable Resin(PLA)----BOR-P-680Z The product can directly using for injection plasitc like brush, comb, or golf nail. (1)PLA is American Networks Corporation produces. (2)The starch is the corn, either wheat, either pea, either sweet, either potato, in several kind of starches. One kind of or several kind of combinations (3)Helps the medicinal preparation is the stearate, either entire fine wax, either PE wax, either P the P wax, several kinds help in the medicinal preparation. One kind of or several kind of combinations 2. Biodegradable Masterbatch-----BOR-L-580Z (1)Natural starch is eroded or swallowed by microorganism (moulds or bacteria or fungi); The mulch films, trash bags, shopping bags, etc begin biodegradation; PE is a big molecule and is polymerized by many molecules, starch is polymer as well, but is natural. Starch can be very easily resolved or biodegraded into amylose, amylose can be very easily resolved or biodegraded into CO2 and Water.