Indice 
 | 
MT10A | 
MT10B | 
MT10C | 
MT14A | 
MT14B | 
MT14C | 
MT18A | 
MT18B | 
MT18C |

MgO % ≥ 
 | 
80 | 
79 | 
77 | 
76 | 
74 | 
72 | 
72 | 
70 | 
69 |

C % ≥ 
 | 
10 | 
10 | 
10 | 
14 | 
14 | 
14 | 
18 | 
18 | 
18 |

Porosità apparente % ≤ 
 | 
4 | 
4.5 | 
5 | 
3.5 | 
3.5 | 
4 | 
3 | 
3.5 | 
4 |

Densità apparente g/cm3 ≥ 
 | 
3.05 | 
3.05 | 
3.00 | 
3.05 | 
2.98 | 
2.95 | 
2.97 | 
2.92 | 
2.85 |

CCS MPa ≥ 
 | 
40 | 
40 | 
35 | 
35 | 
35 | 
35 | 
35 | 
30 | 
30 |

MOR 
(1400ºC×0,5 h) MPa ≥ | 
6 | 
---- | 
---- | 
10 | 
---- | 
---- | 
10 | 
---- | 
---- |