LG-High Pure Calcium Silicate Board are specially used in Non-ferrous metal fields. These board have the characters of free-asbestos, high temperature resistance, high strength, low thermal conductivity, non-wetting, thermal shock resistance and very good machining property. These board can be easily machined to precision components, and widely used in Non-ferrous metals casted, found, glass field and steel industry. Products are suitable for the use as Down Spouts, Shutter Rod, Floats, Lining, Riser Inserts, Sprue Bush and other precast shapes. We can consistently provide products an services that meet or exceed our customers needs. LG-High Pure Type Calcium Silicate BoardsItem UnitAB BOARDAT BOARDBulk Densitykg/m3850±10%850±10%Flexural StrengthMPa7.07 .0Linear Shrinkage 850×12hLength Width%0.40.4Thickness%1.51.5Continued Working Temp.oC850850Limit Temp.oC10001000Coefficient of Thermal Expansionk-16×106×10(200oC)Themal Cond.W/m·k0.140.16Loss On Ignition%6.58.0Block Sizes and Dimensional TolerancesLength mm ±3mm Width mm ±3mmThickness mm +2,1.5mm1220122025-80100050025-100Note:AB boards with glassfibre, AT boards with carbonfibre