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Calcined Magnesium Oxide

Description

Causmag® AL3LR is a moderately reactive calcined magnesium oxide, produced under closely controlled conditions to give a finely divided white powder with consistent particle size.

 

Uses

Causmag® AL3LR is primarily manufactured for use in the production of magnesium oxychloride (sorel cement) flooring. Causmag® AL3LR also has diverse industrial applications in fire retardant formulation, pattern making industries, tanning industries, basification, abrasives, grinding and cutting wheels and special cements.

 

Composition
  Typical Specification
Magnesium Oxide (MgO)% Ignited Basis 97.0 96.0 min
Calcium Oxide (CaO) % 1.3 1.7 max
Silica (SiO2) % 1.3 1.7 max
Iron Oxide (Fe2O3) % 0.2 0.3 max
Aluminium Oxide (Al2O3) % 0.2 0.3 max
Loss on ignition % 2.5 3.5 max

As        < 0.5 ppm           Hg < 0.01ppm
Cd
       < 0.1 ppm          Pb < 0.5 ppm
Physical Properties
Bulk Density, loose, kg/m3 (lb/ft3)
700 (44)
Mean particle size, microns
7
6-10
Surface area, m2/gram
25
30-15
Citric acid activity, seconds
90
400-50
Screen size, % passing 125micron, wet (120#)
100
99.5
Screen size, % passing 45 micron, wet (350#) (Custom Milling Available)
75
75 min
'Free Lime'
< 0.50 %
Pack size (50 bags/pallet)
20 kg

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