Cow creep high alumina brick 

Combined mullite brick 

Combined

COrdierite brick 

Cow creep firecaly brick

High densed friecaly brick 

X-HD

X-HL

X-LL

X-LLG

XFZA-S

X-JL

X-HN

X-LN

X-VN

Al₂O₃≥℅

80

75

65

65

78

55

42

40

42

Fe₂O₃≤℅

1.3

1.5

1.5

1.5

1.5

1.5

2.0

1.5

MgO %

SIC;14

3-4

Apparent porosity 

21

20

21

20

16

25

18

18

16

Bulk density 

2.7

2.7

2.6

2.6

3.0

2.3

2.2

2.1

2.3

Cold crushing strength 

55

60

55

70

85

40

40

30

45

Refractoriness

1850

1790

1790

1790

1750

1730

1750

0.2Mpa Refractoriness under load

1600

1600

1560

1680

1400

1400

1350

1400

Creep

1450℃
0.4

1400℃
0.5

1300℃
0.5

1200℃
1.0

1100℃
1.0

Thermal shock resistances（1100℃）water

12

10

8

25

30

Liner change after heating

1500℃
±0.2

1500℃
±0.1

1500℃
±0.1

1500℃
0~0.2

1400℃
±0.2

1450℃
0~0.4

1450℃
0~0.3

1450℃
0~0.4