... and better durability. Xonotlite-type calcium silicate molded boards have the following characteristics:Non-combustibleThe principal ingredient is ... Door, High Pure Type Calcium Silicate Boards, High Strength Calcium Silicate Boards. Our products application in industries of metallurgy ... , machinery, electric power, light-industry. Our Calcium Silicate Boards has exported to U.S.A, Korea, German, Spain ...