CAUSMAGŪ AL4 MAGNESIUM OXIDE

CAUSMAGŪ AL4 - Chemical  Composition
	Typical (wt %)	Specification (wt %)
MgO	96.8	96.0 min
CaO	1.2	1.5 max
SiO2	1.2	1.5 max
Fe2O3	0.4	0.5 max
Al2O3	0.4	0.5 max
LOI (loss on ignition at 950 C)	2.5	3.5 max
Mg	57.8	56.5 min
As		5 ppm max
Hg		.5 ppm max
Cd		0.1 ppm max
Pb		5 ppm max
CAUSMAGŪ AL4 - Physical Properties
	Typical	Specification
Bulk Density (loose) - kg/m3	600	550-650
Mean Particle Size - microns	7	6-10
Surface Area - m2/g	55	50-70
Citric Acid Activity - secs	25	15-30
Neutralising Value	240	N/A
% Passing 125 micron (wet,120#)	100	99.5 min
% Passing 45 micron (wet, 350#)	75	75 min
(custom milling available)

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