ceramics balls

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Technical Data�Ceramic Balls Typical chemical composition SiO2 <*0% MgO 0.**1.2% SiO2+Al2O3 >*0% CaO 0.**0.9% TiO2 0.**0.8% K2O 2.**3.0% Fe2O3 0.**0.8% Na2O 0.**0.8% Soluble Fe: <=0.1% Typical Physical properties Density g/cm³ 2.**2.4 Water Absorption % 0.**0.5 Eccentricity &#**3;max /&#**3;min <1.*5 E-Modulus GPa *0 Mohs Hardness Scale **8 Specific heat, *0&#***1;***0&#***1; J/kgK **0 Thermal conductivity *0&#***1;***0&#***1; W/mK **1.5 Coefficient of thermal expansion (*0&#***1;***0&#***1;)***6K*1 4.7 Heat Resistance Up to &#***1; ***0 Specific properties of ceramic balls Size Packing density kg/m² Spec,surface,m²/m³ Void space,% Compressive strength per ball, kg 1/8� ***0 **0 *4 **0 1/4� ***0 **0 *4 **0 3/8� ***0 **0 *4 ***0 1/2� ***0 **5 *5 ***0 3/4� ***0 **0 *5 ***0 1� ***0 **4 *5 ***0 1¼� ***0 **0 *5 ***0 1½� ***0 **0 *5 ***0 2� ***0 *2 *5 ***0