












Al2O3 Content (%)
36%-46%
CaO Content (%)
little
CrO Content (%)
0.002%
MgO Content (%)
6.0%-8.0%
SiC Content (%)
0
SiO2 Content (%)
44%-52%
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