Fiber Reinforced Calcium Silicate Board(also known as Calcium Silicate Board)is a new type of lightweight building panel made from siliceous materials(quartz powder,diatomite,etc.)and calcareous materials(cement,lime,etc.)as main raw materials,with reinforcing fibers(cellulose fiber,alkali-resistant glass fiber,etc.,100%asbestos-free)added,and processed through pulping,forming,pressing,high-temperature and high-pressure steam curing,and surface sanding.