West Coast Polychem Pvt. Ltd. Offers Ready to Use Rubber Compounds. West Coast Polychem Pvt. Ltd. Supplies range of raw materials, including synthetic rubber, rubber chemicals, bonding agents and other related products. The Ready to Use Rubber Compounds comes under the brand name "Polymix" are used to make a wide range of moulded and extruded parts such as rolls, wheels, solid tyres, seals, o-rings, anti-vibration parts, beltings, etc. These compounds can be designed from Millathane grades in hardness range from 40 to 95 shore A and in a range of colours like clear transparent, natural, black, any other colour like blue, green, red, orange, etc.