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Synthetic Magnesium Oxide

FOREIGN ANALOGUES:

MagChem 40 (Martin Marietta Magnesia Specialties, LLC); RA-150, RA-110 (Dead Sea Periclase, a division of the ICL Industrial); Ankermag – B20 (Martinswerke GmbH).

APPLICATION:

In production of transformer steel for insulation blanket formation; as a vulcanizing agent in rubber production; as a filler in production of rubber, plastics, putties, adhesives; in production of refractories; medicine and perfume; production of chemical agents; cleaning from oil and oil products; production of various magnesium compounds; gas treatment.

SPECIFICATION:

INDEX NORM
Grade  А
(chemicals)
Grade  B
(transformer steel)
Grade C
(rubber, plastics)
Grade  D
(other applications)
Fraction of magnesium oxide (MgO) total mass, %, min 99 99 99 99
Fraction of calcium oxide (CaO) total mass, %, max 0,35 0,3 0,3 0,5
Fraction of silicon oxide SiO2 total mass, %, max 0,05 - 0,05 0,05
Fraction of iron oxide Fe2O3 total mass, %, max 0,05 - 0,05 0,06
Fraction of aluminum oxide Al2O3 total mass, %, max - - 0,05 -
Fraction of chloride ion Сl- total mass, %, max 0,1 0,03 0,1 0,2
Fraction of sulfate ions SО42- total mass, %, max 0,2 0,2 0,15 0,5
Fraction of sodium ion (Na+) and potassium ion (К+) total mass, %, max 0,1 - 0,1 0,1
Loss on ignition, %, max 0,8-2,0 2,0-4,0 4,0-10,0 -
Specific surface area (ВЕТ), m2/g, within 4-20 - 40-170 -
Citric acid reactivity, seconds, within - 60-80 - -
Particle size: passes through sieve residue with screen 325 mesh (wet screening), %, min 99 99,5 99,9 -