Huber Martoxid® KMS-99 Calcined Aluminum Oxide

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Huber Martoxid® KMS-99 Calcined Aluminum Oxide
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Martoxid® KMS-99 calcined aluminum oxide is a high purity feedstock ready to press for uniaxial and isostatic pressing for the production of oxide ceramic bodies such as grinding media, insulating and wear-resistant parts, etc., produced in Bergheim, Germany. Information provided by J.M. Huber Corporation
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Physical Properties	Metric	English	Comments

Specific Gravity	2.45 g/cc @Pressure 100 MPa	2.45 g/cc @Pressure 14500 psi	Pressed
	3.92 g/cc @Treatment Temp. 1600 °C	3.92 g/cc @Treatment Temp. 2910 °F	Sintered
Bulk Density	1.30 g/cc	0.0470 lb/in³
Moisture Absorption	<= 0.400 %	<= 0.400 %
Particle Size	170 µm	170 µm

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	17 - 20	17 - 20	[kN/mm²], HV2, Sintered product
Modulus of Elasticity	380 GPa	55100 ksi
Flexural Strength	>= 330 MPa	>= 47900 psi	4-point Method, Sintered product

Electrical Properties	Metric	English	Comments
Dielectric Strength	35.0 kV/mm	889 kV/in	Sintered product

Thermal Properties	Metric	English	Comments
Shrinkage	15.5 %	15.5 %	Upon sintering

Component Elements Properties	Metric	English	Comments
Na2O	0.030 %	0.030 %

Descriptive Properties
Al(OH)₃	>99%
Functionality	Ready-To-Press Granulating
Functionality: Mechanical hardness	Wear Resistant Material
Market/Application: Industrial	Ceramics

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EHUBER807 / 300913

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