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Refractory Raw MaterialsMagnesia and spinel raw materials

Fused Magnesia (FM)

Fused magnesia (FM) is supplied as a refractory raw material in four grades, FM-95 to FM-98, in the grain sizes listed in the specification below.

Grades / types: FM-95, FM-96, FM-97, FM-98
Grain sizes: 0-1mm, 1-3mm, 3-5mm, 200mesh, 0-40mm, 10-50mm, 10-150mm

Product overview

Fused magnesia (FM) is supplied as a refractory raw material in the grades FM-95, FM-96, FM-97 and FM-98. 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	FM-95	FM-96	FM-97	FM-98
MgO	%	95	96	97	98
SiO₂	%	1.5	0.9	0.75	0.5
CaO	%	2.0	1.2	1.5	1.0
Fe₂O₃	%	1.0	0.8	0.8	0.5
Al₂O₃	%	0.6	0.2	0.2	0.15
L.O.I	%	0.3	0.2	0.2	0.1
Bulk Density	g/cm³	3.40	3.45	3.47	3.50
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.