AL3

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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
Cd < 0.1 ppm
Hg < 0.01ppm
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 %

Packaging

50 bags/pallet, 20 kg

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