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Refractory Raw MaterialsMagnesia and spinel raw materials

Large Crystal Fused Magnesia

Large crystal fused magnesia is supplied as a refractory raw material in four grades, LC-98.5 to LC-97, in the grain sizes listed in the specification below.

Grades / types: LC-98.5, LC-98, LC-97.5, LC-97
Grain sizes: 0-1mm, 1-3mm, 3-5mm, 200mesh, 0-40mm, 10-50mm, 10-150mm

Product overview

Large crystal fused magnesia is supplied as a refractory raw material in the grades LC-98.5, LC-98, LC-97.5 and LC-97. The catalogue states MgO, SiO₂, CaO, Fe₂O₃, Al₂O₃, loss on ignition and bulk density for each grade, and one list of grain sizes.

Technical data

Specification
Property	Unit	LC-98.5	LC-98	LC-97.5	LC-97
MgO	%	98.5	98	97.5	97
SiO₂	%	0.35	0.45	0.60	0.70
CaO	%	0.65	0.90	1.10	1.10
Fe₂O₃	%	0.30	0.45	0.55	0.60
Al₂O₃	%	0.06	0.08	0.15	0.25
L.O.I	%	0.06	0.08	0.10	0.10
Bulk Density	g/cm³	3.52	3.50	3.46	3.46
Grain Size		0-1mm, 1-3mm, 3-5mm, 200mesh, 0-40mm, 10-50mm, 10-150mm	0-1mm, 1-3mm, 3-5mm, 200mesh, 0-40mm, 10-50mm, 10-150mm	0-1mm, 1-3mm, 3-5mm, 200mesh, 0-40mm, 10-50mm, 10-150mm	0-1mm, 1-3mm, 3-5mm, 200mesh, 0-40mm, 10-50mm, 10-150mm

Chemical values are given in the specification without ≥ / ≤ signs and are reproduced as stated.
Grain size is stated once in the specification for all grades.