Material Technical Datasheets

Technical Specifications for Alumina & Zirconia Ceramics

Choosing the right material is critical to the success of your application. Our advanced ceramics are engineered to provide exceptional performance under extreme thermal, mechanical, and electrical stress. Below are the typical properties of our most requested material grades.

Alumina (Al₂O₃) Series Specs

Known for its excellent electrical insulation and high thermal conductivity, Alumina is the workhorse of technical ceramics.

Property	Units	95% Al₂O₃	99% Al₂O₃	99.8% Al₂O₃
Density	g/cm³	3.65	3.88	3.96
Vickers Hardness	GPa	13	16	18
Flexural Strength	MPa	300	350	400
Thermal Conductivity	W/(m·K)	20	28	32
Dielectric Strength	kV/mm	15	18	20
Max. Operating Temp	°C	1550	1650	1750

Zirconia (ZrO₂) Series Specs

Zirconia offers the highest strength and toughness among ceramics at room temperature, making it ideal for structural and wear-resistant parts.

Property	Units	Y-TZP (Yttria Stabilized)	Mg-PSZ (Magnesia Stabilized)
Density	g/cm³	6.05	5.75
Fracture Toughness	MPa·m^{1/2}	8.0 – 10.0	5.0 – 6.0
Flexural Strength	MPa	900 – 1100	500 – 600
Compressive Strength	MPa	2500	1800
Thermal Expansion	10^{-6}/°C	10.5	9.5
Color	-	White/Black/Ivory	Yellowish/Grey

Material Selection Guide

Use Alumina (Al₂O₃) if your project requires:

High electrical insulation and dielectric strength.

Resistance to extremely high temperatures (up to 1750°C).

Cost-effective mass production for electronics.

Use Zirconia (ZrO₂) if your project requires:

Maximum mechanical strength and impact resistance.

A Coefficient of Thermal Expansion (CTE) close to steel.

High wear resistance for plungers, valves, or bearings.

Custom Formulation Capabilities

Don't see a material that fits your specific needs? Our R&D team can develop custom ceramic blends with adjusted grain sizes, porous structures, or specific ESD (Electro-Static Discharge) properties.