Martin Sand
 
 

 

  Martin sand has good sintering performance, high resistance to washing and slag, widely used for vulcanizing at slag hole and steel tank of electric furnace.

Index | Mark

SN--BM90

SN—BM85

SN—BM80

Chemical composition(%)

MgO+CrO3≥

90

85

80

SiO2≤

3

5

10

Volume density(g/cm3)≥

2.9

2.6

2.7

Rupture strength(Mpa)

110℃×24h≥

5

3

3

1500℃×3h≥

8

6

5

Compression strength (Mpa)

110℃×24h≥

45

30

30

1500℃×3h≥

60

50

50


 
 
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