West Coast Polychem Pvt. Ltd. Offers Rubber Chemicals and Pre-Dispersed Chemical Masterbatches. West Coast Polychem Pvt. Ltd. Supplies range of raw materials, including synthetic rubber, rubber chemicals, bonding agents and other related products. The Rubber Chemicals and Pre-Dispersed Chemical Masterbatches comes under the brand name "Ekaland, Vultac and Mixland" are used for chemical dispersions in the rubber industry is being driven by a greater emphasis on environmental concerns, shorter mixing cycles, need for better batch-to-batch uniformity and increased productivity. Chemical dispersions provide all the advantages of dispersions and still giving the compounded the flexibility to vary their formulations.