... , insecticide pesticide3) Metals: aluminum, barium, rare metals4) High temperature applications: asphalt plant, aster, incinerator, metallurgy,cement, lime, carbon black, liquid boiler ... , insecticide pesticide3) Metals: aluminum, barium, rare metals4) High temperature applications: asphalt plant, aster, incinerator, metallurgy,cement, lime, carbon black, liquid boiler ...