Huber Martoxid® MRS-1 Calcined Aluminum Oxide

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Huber Martoxid® MRS-1 Calcined Aluminum Oxide
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Martoxid® MRS-1 calcined aluminum oxide is a superground aluminum oxide for ceramics with a high Al2O3-content, subjected to extremely high mechanical, thermal, chemical and electrical loads for applications like high efficiency spark plugs and substrates. D50 of 1 micron and D100 of <10 microns. CAS No.: 1344-28-1 EC/EINECS No.: 215-691-6 Information provided by J.M. Huber Corporation
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Physical Properties	Original Value	Comments

Specific Gravity	>= 2.20 g/cc @Pressure 100 MPa	Green
	>= 3.15 g/cc @Treatment Temp. 1600 °C, Time 7200 sec	Fired
Bulk Density	0.800 g/cc
Particle Size	0.40 - 0.60 µm	d10, Cilas 1064
	1.1 - 1.6 µm	d50, Cilas 1064
	2.5 - 4.5 µm	d90, Cilas 1064
Specific Surface Area	2.0 - 4.0 m²/g	BET

Component Elements Properties	Original Value	Comments
Al2O3	>= 95 %	a-Al2O3
CaO	<= 0.040 %
Fe2O3	<= 0.040 %
Loss on Ignition(%)	<= 0.10 %
Na2O	<= 0.040 %	total
SiO2	<= 0.10 %

Descriptive Properties
Al(OH)₃ (%)	99.8
Functionality	Inert filler
Functionality: Mechanical hardness	Abrasion Resistance
Market/Application: Industrial	Water Treatment
Primary Crystal	1.0-1.4 µm

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EHUBER820 / 300926

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