ENVIROCOLCOR color ring brand series of degradable blown film masterbatch has five colors, white (R4865), black (R5857), blue (R3801), yellow (R2801) and green (R6801) and six colors of degradable injection molding, white ( R4868), black (R5858), red (R1802), blue (R3802), yellow (R2802) and green (R6802). The selected pigments have all passed the European biodegradation testing agency OWS and the German Lane TUV Group Shanghai Branch Toxicological test, the masterbatch complies with EN13432 (2000), ASTM D6400 (2012), and ISO17088 (2012) industry standards, and has passed the OK COMPOST and SEEDING LOGO certification of VINCOTTE company and BPI company certification.