2AS

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Calcined Magnesium Oxide

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/th> 45.0 N/A
Calcium Carbonate (CaCO3) % 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
Cd < 0.1 ppm
Hg < 0.5 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

Packaging

42 bags/pallet, 25 kg

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