High-strength abrasion-resistance brick 

Plastic 

Gunning

XWMJ

X-SJAP55D

X-SJAC45J

Al₂O₃ ≥%

57

47

SiO₂ ≤℅

38

40

Fe₂O₃ ≤℅

1.4

0.5

Na₂O + K ₂O

0.3

0.7

Bulk density 

2.6

2.48

2.3

Modulus of rupture 

110℃×24h

13.5

2.5

7

815℃

1000℃×3h 14.3

6.1

3

Cold crushing strength 

110℃×24h

128

50

815℃

1000℃×3h 135

40

LIner change after heating 

110℃×24h

-1.26

1370℃+0.6

815℃

-0.35

-0.2

Refractoriness 

1680