Plastics Shims and Gaskets Ltd is the UKs principal manufacturer and supplier of Polyester and Polypropylene shim stock. POLYMEX shim stock is the first choice for shimming and insulation applications, due to its suitability to many diverse applications. Manufactured from the highest quality polymer materials, POLYMEX polymer shims is the market leader, offering the complete choice of colours, thicknesses and sizes. They are colour coded to distinguish thickness, which meets Global Industry standards, eliminating the need for a micrometre. Other benefits offered by POLYMEX shims are: Excellent resistance to wear High strength to weight ratio makes them a strong alternative to metallic shims Resistance to corrosion Resists oil and chemicals Highly adaptable can be trimmed and manipulated No moisture absorption Able to withstand a higher temperatures Excellent insulation properties