1.black masterbatch 2.Carrier:PE, PP, PS, ABS, PVC ... power, dispersibility 4.SGS,CTI,FDA,ROHS Carbon black masterbatch for injection/blow film/sucktion General Injection Moulding ... reference:1)Content of carbon black of our black masterbatch can be from 22%~50%, according to your needs.2)Carrier ... on.4)suggest application ratio:1%~3%, according to the require of products.5)Processing method: blow film ...