BMW Steels delivers Chemically Bonded Ceramic Lined Products that are reckoned for their performance and quality. Corrosion of steel, aluminum and other structural metals erodes the safety of the products and decrease their working life. To improve their quality and to enhance the serve life CBC linings are done. The atoms in ceramic materials are held together by a chemical bond which further create a long-lived passivation layer on the products and provide them long-term corrosion protection.