Grade specification;"A";"D";"R"

1. Magnesium Oxide, MgO, %, more than***;97,00;95,00;96,00 2. Iron, Fe, %, less than;0,10;0,15;0,15 3. Chloride, Cl, %, less than;0,05;0,01;0,01 4. Sulphate, SO4, %, less than;0,01;0,01;0,01 5. Phosphate, PO4, %, less than;0,01;—;— 6. Manganese, Mn, %, less than;0,003;0,01;0,01 7. Calcium Oxide, CaO, %, less than;1,5;2,5;1,8 8. Loss on Ignition, %, less than;7,5;7,5;5,5 9. Activity, Iodine Value, mg*eq.J/100 g MgO;> 75;> 20;> 30 10. Bulk Density, g/cm3, less than;0,30;0,40;0,35 11. Particle size, < 70 um,%;95,0;90,0;95,0 12. Particle size, < 150 um,%;99,9;99,9;99,9

Grade specification;"HP"

1. Magnesium Oxide, MgO, %, more than;98,00 2. Iron, Fe, %, less than;0,01 3. Chloride, Cl, %, less than;0,01 4. Sulphate, SO4, %, less than;0,01 5. Phosphate, PO4, %, less than;0,005 6. Manganese, Mn, %, less than;0,01 7. Calcium Oxide, CaO, %, less than;0,1 8. Aluminium, Al, %, less than;0,03 9. Barium, Ba, %, less than;0,005 10. Copper, Cu, %, less than;0,005 11. Arsenic, As, %, less than;0,001 12. Plumbum, Pb, %, less than;0,001 13. Loss on Ignition, %, less than;3,0 14. Bulk Density, g/cm3, less than;0,30 15. Particle size: ; – less than 70 um, %;95,0 – less than 150 um, %;99,9