Toyo Tanso Co., Ltd.

Toyo Tanso Co., Ltd. produces and sells carbon materials in Japan and internationally. Its products include isotropic graphite for the semiconductor, renewable energy, mold, and atomic power industries; carbon-carbon composites for electronics, environment and energy, general industrial furnaces, automobiles, and other transport applications; and PERMA-FOIL, a flexible graphite sheet used as a seal in automotive gaskets and packing. The company also offers mechanical carbon products such as bearings, seal rings, packing, vanes, valve seats, contact strips for pantographs, and carbon brushes, along with products including CNovel porous carbon, EVEREDKOTE-C, PERMA KOTE, PYROGRAPH, GLASTIX KOTE, Toyo siliconized graphite SiC/C composites, and KLASTA MATE. It additionally provides technical services such as machining, heat treatment, high purity treatment, surface treatment, impregnation, forming, and measurement. Formerly known as Kondo Carbon Manufacturing Co., Ltd., it changed its name to Toyo Tanso Co., Ltd. in November 1949, was founded in 1941, and is based in Osaka, Japan.