Other 99 Alumina High Wear-Resistant Ceramics

Structural ceramics-Alumina
Structure Ceramics-Al2O3
Structural ceramics is also named engineering ceramics and fine ceramics with excellent wear and corrosion resistance. Combining with electronic ceramics and functional ceramics,they are called industrial ceramics. Widely used in ceramic valves, sand mill accessories, ceramic seals, dewatering plates, wear-resistant pipe fittings

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Item	Unit	Specification
Physical Properties
Colour		Ivory
Density	g/cm³	3.85
Alumina Content	%	99%
Gas Permeability		0
Water Absorption	%	0%
Mechanical Properties
Mons' Hardness		82
Flexural Strength (20℃)	MPa	330
Compressive Strength (20℃)	MPa	2000
Fracture Toughness (20℃)	MPa*m1/2	4
Thermal Properties
Thermal Conductivity (20℃)	W/(m·K)	27.5
Thermal Expansion Coefficient	10-6(℃)	7.6
Thermal Shock Resistance	△T℃	200
Maximum Use Temperature	℃	1650
Electrical Properties
Dielectric Strength	kV/mm	>10
Dielectric Constant	F/m	9.1
Dielectric Loss Angle (1MHz)		0.0002-0.0003
Volumn Resistivity(20℃)	Ω.cm	>1014

Structural ceramics-Alumina
Structure Ceramics-Al₂O₃
Structural ceramics is also named engineering ceramics and fine ceramics with excellent wear and corrosion resistance. Combining with electronic ceramics and functional ceramics,they are called industrial ceramics. Widely used in ceramic valves, sand mill accessories, ceramic seals, dewatering plates, wear-resistant pipe fittings, mining equipment and other fields.

Features
Good insulating property
High temperature resistance(1600℃)
High hardness
Wear resisting
High thermal conductivity
High cost-effectivee

Alumina ceramic application industries: machinery, electronics, metallurgy, chemical industry, textile, semiconductor, etc.
Other 99 Alumina High Wear-Resistant Ceramics

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