Calcined Kaolin

Features: 1) With characteristics of high aluminum, low iron, low expansion coefficient, strong refractoriness and good thermo-chemistry stability 2) Castings made from GPC can be easily decaled, doesn't lose shape and shrink, and its lightness, rate of finished products also come up to a high level 3) Applicable to precision casting of carbon steel, stainless steel, refractory steel, as to investing of aluminum alloy and titanium alloy Specificatons: 1) Mullite: 47 2) Al2O3: 45% min. 3) SiO2: 50 - 53% 4) Fe2O3: 1.0% max. 5) TiO2: 0.6% max. 6) Apparent porosity: 3.5% max. 7) Bulk density: 2.6g/ccm Outer packing: 1,000kg/bag N.W.: 1,000kg G.W.: 1,002kg Carton volume: 0.95cbm