Chemicals used in industry and science; nitrides and borides of the metals and semi-metals as well as their mixed phases, especially in the form of powders, grains, suspensions, granules, plates, rods, tubes and molded bodies; ceramic compositions in the form of powders, grains, particles and granules for sintering all for manufacturing use in the chemical, glass, ceramics, insulation, engineering, electronics, mold making, semi-conductor, microchip and photovoltaic industries; powders, grain...