High-Purity Magnesia for Mgo board

 

High purity magnesium oxide at high temperature with excellent alkali resistance and electrical insulation. Thermal expansion coefficient and high thermal conductivity with good light permeability. Widely used for high temperature materials, its magnesium oxide content is more than 95%. 

Magnesium oxide characteristic 

Name: Magnesium oxide 
Commonly known as: Magnesia; Light powder; Calcined magnesia 
Molecular formula: MgO 
Molecular weight: 40.30 
CAS NO.: 1309-48-4 
EINECS no.: 215-171-9 
InChI code: InChI = 1 / Mg. O/rMgO/c1-2 
Ionic equation: 
MgO+2H+=Mg2++H2O 
MgO+2NH4+=Mg2++2NH3+H2O 
Chemical formula: 
MgCl2(fusion)= Mg +Cl2(electrolysis) 
MgO +C = Mg + CO(high temperature) 
Nature 6.2 mg/L (20° C), reacts 

Quality inspection project parameter values 

Total amount of sulfur (S), ≤ % 0.02 
Burning weightlessness, % ≤ 10.0 
Hydrochloric acid insolubles, % ≤ 0.03 
Heavy metal (Pb), % ≤ 0.005 
Calcium (Ca), % ≤ 0.05 
Water soluble content, %≤ 0.5 
Chloride (Cl), % ≤ 0.02 
Nitrate (NO3 -), % ≤ 0.005 
Phosphate (PO4), % ≤ 0.001 
Content (MgO style), % ≤ 99.9 ~ 100.1 
Iron (Fe), % ≤ 0.005 
Zinc (zinc), % ≤ 0.02 
Barium (Ba), % ≤ 0.003 
Silicic acid and ammonia sediments, % ≤ 0.05