KGS COLOUR BLEND & PLASTICS has an extensive range of black masterbatches based on PE, PP, PS, ABS and other polymers.In the plastic industry, calcium carbonate is widely used as one of the plastic filler materials. It improves mechanical properties (tensile strength and elongation) and electrical properties (volume resistivity) of finished products. More over, CaCO3 filler masterbatch helps significantly decrease the overall production cost, which often accounts for up to 60% of product’s price.