Barium Crown Glass

Royan27 May, 2024Art

Barium Crown Glass is referred to as BaK glass or crown glass. The refractive index and density are between K and ZK glass. Crown glass is basically a borosilicate glass containing barium, zinc, potassium, and sodium. It contains a lot of barium, and the mass fraction of the sum of BaO and ZnO is about 20%-40%. Mainly used as a material for optical parts in optical instruments, such as optical lenses, prism and Cylindrical lenses.