
Al2O3 Content (%)
30-85
CaO Content (%)
0.2
CrO Content (%)
0.2
MgO Content (%)
0.3
SiC Content (%)
0.1
SiO2 Content (%)
10-60
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