Mg Borate Chemical Compositions B2O3 :min30% MgO:max23%(approximate:20%~23%) K2O+Na2O:max2.2% Fe2O3 :max0.23%

Mg Borate Chemical Compositions   

B2O3 ≥30%

MgO ≤23%(approximate:20%∼23%)

K2O+Na2O≤2.2%

Fe2O3 ≤0.23%( approximate:0.1%∼0.22%)

CaO ≤7%( approximate:5%∼7%)

SiO2: approximate 2.8%

Al2O3: approximate 0.82∼1%.

Mg Borate . Magnesium Borate