... %-40% carbon black masterbatchAdvantages:Eco-friendly, non-toxic, odorless, smokeless, the surface is smooth and glossy, good ... cables, housewares, vehicles, building materialsBlack Masterbatch Features;Our factory specialized in manufacturing plastic color master batches for ... .Black Masterbatch Packing: PE heavy-duty bag, water-proof plastic paper bag, 25Kg/bag, 30%-40% carbon black masterbatch