| Chemical composition:
MgO ≥ 97 %
Fe2O3 ≤ 0,6 %
SiO2 ≤ 0,7 %
Al2O3 ≤ 0,2 %
CaO ≤ 1,6 %
Material lost after sintering ≤ 0,3
CaO/SiO2 ratio ≥ 2
Moisture ≤ 0,5%
Bulk density ≥ 3,50 g/cm3
Average crystal size – 350-400 micrometer
Minimum crystal size – 100 micrometer
Granularity: units larger than 3,15 mm ≤ 10 %
units 1,0 – 3,15 mm 70-80 %
units smaller than 1,0 mm ≤ 20 % |