












Al2O3 Content (%)
7.5%
CaO Content (%)
0.24%
Fe2O3 Content (%)
0.54%
K2O Content (%)
0.03%
MgO Content (%)
0.03%
SiO2 Content (%)
69.6%
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