processe and modify carefully-chosen high-quality carbon black with special technology Black masterbatch for injection, extrusion and blow moulding of PE, PP, ABS,PS, HIPS,AS,PC,POM,PA, PET,PBT,PMMA etc.We carefully choose high-quality carbon black and process it with our special technology.Provide you the right color you need with a low dosage. black masterbatch