... 30% Diagnose: 1-3% Dongguan injection molding and blow molding Black Masterbatch 7030 black masterbatches are made up ... reaches 30%. They are widely used in injection molding, blowing molding, films, pipes, sheets, etc. Advantages Highest quality ... your cost and increase your profits.Application Areas Injection Molding (Automotive, Electronic, Construction, House wares, Furniture, Toys, ...