Al2O3,%

≥80

≥85

氣孔率/Apparent porosity,%

≤18

≤18

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

≥35

≥35

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

≥60

≥60

線變化率/ Linear change rate   (1500℃×3H),%

0~2

0~2