95% Alumina Ceramic

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The higher the purity of alumina ceramics-95%, the greater their mechanical strength, corrosion resistance, electrical insulation, and thermal stability.

It is one of the most widely used and well-known precision ceramic materials. It exhibits excellent mechanical strength, electrical insulation properties, low dielectric loss, thermal conductivity, and high resistance to heat, wear, and corrosion. The advantages of alumina ceramics and their application industries are outlined below:
Performance and Properties of 95% Alumina Ceramic :

characteristics	Value	characteristics	Value
Sintered Density (1680℃,2h)	3.72 g/cm³	permeability	0
Water Absorption	0	Weibull Modulus	7-8
Hardness，Mohs	9	Flexural Strength	300 Mp
Tensile Modulus	320 gp	Compressive Strength	2400 Mp
Poissons Ratio	0.22	Fracture Toughness	4.00 MPa·m½
Volume Resistivity (400℃)	>= 1.00e+12 ohm-cm	Dielectric Strength	10 - 20 kV/mm
Dielectric Constant (le+6 Hz)	9.5	Dielectric Loss Index (9.00e+9 Hz 0.0010)	0.001
CTE,linear (20.0-400°C)	7.50 μm/m-℃	CTE,linear (20.0-1000°℃)	8.1 μm/m-℃
Specific Heat Capacity	0.880 J/g-°C	Thermal Conductivity	25.0 W/m-K
Max.Service Temp.Air	1450℃	Max.Service Temp.Inert	1450℃

Application Industries

Electronics and Electrical Industry: Used in the manufacture of insulators, substrates, electronic components, and circuit boards.
Mechanical Manufacturing: Used to produce wear-resistant parts, cutting tools, and mechanical seals.
Aerospace: Utilized in high-temperature structural materials and turbine engine components.
Chemical Industry: Employed in chemical reactor linings, pump components, and valves.
Medical Equipment: Used in the manufacture of bioceramics, such as artificial joints and dental implants.
Automotive Industry: Applied in oxygen sensors and high-performance engine components.

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