janegxdv978831 - Profile
About me
Profile
this kind of bullet evidence ceramic is much better than Silicon Carbide and Aluminum Oxide material.Hardness is about HV3300,density is about two.5g/cm3.bullet proof ceramic is widely Utilized in
https://asiyaadxf125875.topbloghub.com/35631181/examine-this-report-on-boron-carbide-ceramic-plates