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Description
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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. |
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Uses
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| 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..
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| Composition |
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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 |
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| 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 |
98 |
| (
Custom milled to 100 % passing 45 micron) |
70 |
70
min |
| Pack
size (42 bags/pallet) |
25
kg |
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