Test Item

Test Standard

Test Result

Al₂O₃

GB/T 6900-2006

73.26

Fe₂O₃

1.25

Bulk density (B.D.)

GB/T 2997-2000

2.43

Apparent porosity (AP)

25

Cold crushing strengthCCS

GB/T 5072-2008

50.7

Permanent linear change

1450,2h %

GB/T 5988-2007

0

Refractoriness                         ≥

GB/T 7322-2007

1770

Refractoriness under load   RUL0.2Mpa ≥

YB/T 370-1995

1513