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            PHYSICAL & CHEMICAL PROPERTIES
            Author:ADV    Time:2014-04-23

            PHYSICAL & CHEMICAL PROPERTIES
            Unit ADV995 ADV992 ADV990 ADV850
            AL2O3 content % 99.5 99.2 99.0 85.0
            Maximum temperature 1800 1800 1800 1600
            Working temperature 1650 1620 1600 1400
            Density g/cm3 3.90 3.88 3.85 3.20
            Water absorption % <0.1 <0.1 <0.1 <0.2
            Hardness (Mohs scale) - 9 9 9 7
            Flexural strength MPa >250 >250 >250 >150
            Volume resistivity (20 Ωcm 1014 1014 1014 1013
            Volume resistivity (1000 Ωcm 108 108 108 106
            Colour Ivory Yellow Pink White

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