












Al2O3 Content (%)
12-16%
CaO Content (%)
0.1-2%
Fe2O3 Content (%)
0.15-1.5%
K2O Content (%)
1.0-1.4%
MgO Content (%)
0.2-0.5%
SiO2 Content (%)
70-75%
Every payment you make on Alibaba.com is secured with strict SSL encryption and PCI DSS data protection protocols
Claim a refund if your order doesn't ship, is missing, or arrives with product issues