Huber Martoxid® MR-52 Calcined Aluminum Oxide

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Huber Martoxid® MR-52 Calcined Aluminum Oxide
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Martoxid® MR-52 calcined aluminum oxide is a production of wear-resistant oxide ceramics with very high Al2O3-content for extreme service using isostatic and axial pressing, slip casting; injection molding, tape casting (substrate). CAS No.: 1344-28-1 EC/EINECS No.: 215-691-6 Information provided by J.M. Huber Corporation
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Physical Properties	Metric	English	Comments

Bulk Density	1.10 g/cc	0.0397 lb/in³
Water Absorption	13 %	13 %
Particle Size	0.30 - 0.50 µm	0.30 - 0.50 µm	d10, Cilas 1064
	1.0 - 1.7 µm	1.0 - 1.7 µm	d50, Cilas 1064
	3.0 - 6.0 µm	3.0 - 6.0 µm	d90, Cilas 1064
Specific Surface Area	6.0 - 9.0 m²/g	6.0 - 9.0 m²/g	BET

Component Elements Properties	Metric	English	Comments
Al2O3	>= 95 %	>= 95 %	a-Al2O3
CaO	0.040 %	0.040 %
Fe2O3	0.030 %	0.030 %
Loss on Ignition(%)	<= 0.30 %	<= 0.30 %
MgO	0.080 %	0.080 %
Na2O	<= 0.10 %	<= 0.10 %	total
SiO2	0.010 %	0.010 %

Descriptive Properties
Al(OH)₃ (%)	99.8
Functionality	Inert filler
Functionality: Thermal resistance	Reactive binder
Market/Application: Industrial	Additive Manufacturing (3D printing)
Primary Crystal	1.5 µm

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EHUBER816 / 300922

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