Item

Index

Al2O3, %

≥65

SiC， %

≥10

C, %

≥4

bulk densityBD ,g/cm3

≥2.80

Apparent porosityAP, ％

≤15

Normal temperature compressive strengthCCS,MPa

≥60

0.2Mpa0.2MPa load softening start temperature ℃≥

≥1620

Change rate of reheating lineLC（1500℃×2h），％

±0.2

purpose

Slag line or below slag line