Refractory Raw MaterialsMagnesia and spinel raw materials

Burned Magnesia

Burned magnesia is supplied as a refractory raw material in four grades, BM90 to BM97, and in the grain sizes listed in the specification below.

Grades / types: BM90, BM92, BM95, BM97
Grain sizes: 0-1mm, 0.5-1mm, 1-3mm, 1-5mm, 3-5mm, 200mesh, 1-15mm, 3-15mm, 5-15mm, 3-8mm, 5-10mm

Product overview

Burned magnesia is supplied as a refractory raw material in the grades BM90, BM92, BM95 and BM97. The catalogue states MgO content, SiO₂, CaO, Fe₂O₃, Al₂O₃, loss on ignition and bulk density for each grade, and one list of available grain sizes.

Technical data

Specification
Property	Unit	BM90	BM92	BM95	BM97
MgO	%	90	92	95	97
SiO₂	%	5.0	4.8	2.0	0.7
CaO	%	2.5	2.0	1.4	1.4
Fe₂O₃	%	1.5	1.5	1.0	0.75
Al₂O₃	%	1.5	1.2	0.3	0.2
L.O.I	%	0.50	0.50	0.15	0.13
Bulk Density	g/cm³	3.10	3.14	3.18	3.28
Grain Size		0-1mm, 0.5-1mm, 1-3mm, 1-5mm, 3-5mm, 200mesh, 1-15mm, 3-15mm, 5-15mm, 3-8mm, 5-10mm	0-1mm, 0.5-1mm, 1-3mm, 1-5mm, 3-5mm, 200mesh, 1-15mm, 3-15mm, 5-15mm, 3-8mm, 5-10mm	0-1mm, 0.5-1mm, 1-3mm, 1-5mm, 3-5mm, 200mesh, 1-15mm, 3-15mm, 5-15mm, 3-8mm, 5-10mm	0-1mm, 0.5-1mm, 1-3mm, 1-5mm, 3-5mm, 200mesh, 1-15mm, 3-15mm, 5-15mm, 3-8mm, 5-10mm

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.