PropertiesUnitSmart Stones Spec Loss of Ignition%1.5 max SiO2 Silicon Dioxide%50-60 SiO2 + Al2O3 + Fe2O3%75-85 SO3 Sulfur Tri-Oxide%1 max Cl Chloride%0.01 Na2O Sodium Oxide Alkali%1.5 max MgO Magnesium Oxide%2.5-3.00 Autoclave Expansion%0.8 max Fineness (retention on 45 micron/ 325 sieve)%"25 max (ASTM, IS, BS EN 450 N) 12 max (BS 3892, BS EN 450 S)" Moisture%< 1
