is Svenska Tanso AB:s own product for standard- and precision sink erosion machining. The manufacturing process of the TanSpark® Copper tungsten material is controlled by our own very strict technical specification in terms of quality and later on expected performance. The raw material used producing this high end material is obviously quality assured, controlled and certified prior being approved for production. A unique initial production process is your warranty for getting a material without any remaining open porosity or other unwanted elements. Several subsequent quality controls takes place before TanSpark® is made available for sale, all to ensure the stringent demands for an efficient and trouble-free production.