Specification
ITEM
Standard%
SiO₂
68-75% Min
MgO
0.7-1.5%Min
CaO
3-6% Min
Fe₂O₃
1-2% Min
Al₂O₃
7-15% Min
K₂O
2-4% Min
NaO
0.8-1.5% Min
Powder
100 mesh,200mesh and so on