SKT, which is the first company to produce oil seals using synthetic rubber in Turkey, also develops the recipes of all the rubber mixtures it uses itself. With his extensive knowledge about all polymer types and specifications, tests are performed in its own laboratory according to ASTM Norms (ASTM D2000, SAE J200) and Customer Specifications. It has an extensive laboratory with all the necessary equipment for testing and manufacturing rubber used in the industry, and has developed more than 2000 approved rubber blends on the production line.