... , fertilizer, PVC and other polymers, dyestuff, insecticide pesticide3) Metals: aluminum, barium, rare metals4) High temperature applications: asphalt plant, aster, incinerator, metallurgy ... , fertilizer, PVC and other polymers, dyestuff, insecticide pesticide3) Metals: aluminum, barium, rare metals4) High temperature applications: asphalt plant, aster, incinerator, metallurgy ...