BARIUM OXIDE POWDER It replaced lead oxide ( Lead oxide was used to raise the refractive index, but it also raised the dispersive power. Barium oxide only raises the refractive index) . Barium oxide....
We are honored to introduce ourselves as one of leading suppliers of barium chloride in China. Our barium chloride dihydrate is used in caustic soda electrolysis, metal heat treatment, pigments, ....