轻烧粉
牌号
MgO≥
SiO
2
≤
CaO≤
LOI≤
QM-95
95
1
1.5
3
QM-94
94
2
2
4
QM-92
92
3
2
5
QM-90
90
4
A:2.0 B:2.5
6