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High Purity Basic Magnesium Carbonate

Description

Causmag® 2AS is a high purity, low iron Cryptcrystalline magnesite, selected and milled under closely controlled conditions to meet Department of Agriculture approval as a 'liming' agent.

 

Uses

Causmag® 2AS is used in the control of weevil in stored “on farm” grain held for immediate or long term stock feed or sowing purposes. Other uses include Mg fertilizer for commercial vegetable and flower growing operations, feed formulations and stock block manufacture. 2AS is also used in the ceramic industry as a filler..

 

Composition
  Typical Specification
Magnesium Carbonate (MgCO3) % 96.5 95.5 min
Magnesium Oxide (MgO) Equivalent 45.0 N/A
Calcium Carbonate (CaCO3) % 1.50 2.0 max
Calcium Oxide (CaO) % 1.00 1.5 max
Silica (SiO2) % 1.55 1.8 max
Iron Oxide (Fe2O3) % 0.30 0.5 max
Aluminium Oxide (Al2O3) % 0.40 0.5 max
Loss on ignition % 50.0 52.0 max
Magnesium (Mg) 27.0 26.5 min

As        < 2 ppm             Hg < 0.5 ppm
Cd
       < 0.1 ppm          Pb < 2 ppm
Physical Properties
Bulk Density, loose, kg/m3 (lb/ft3)
900 (56)
850-950
Mean particle size, microns
7
6-10
Neutralizing Value
110
N/A
Screen size, % passing 45 micron, wet (350#)
70
70 min
( Custom milled to 100 % passing 45 micron)
100
98 min
Pack size (42 bags/pallet)
25 kg

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