Al2O3,%

≥90

≥80

氣孔率/Apparent porosity,%

≤18

≤22

體積密度/Bulk density, g/cm3

≥3.00

≥2.85

耐壓強度/Cold crushing strength, (110℃×24H) MPa

≥55

≥40

抗折強度/Bending strength, (110℃×24H)MPa

≥8

≥6

耐壓強度/Cold crushing strength, (1500℃×3H) MPa

≥80

≥70

抗折強度/Bending strength, (1500℃×3H)MPa

≥14

≥14