99.7% Alumina Ceramic Polished Sheet

Design Features
1.High Purity 99.7% Al₂O₃

Ensures high mechanical strength, excellent insulation, and long-term stability.

2.Ultra-Smooth Polished Surface

Low surface roughness suitable for semiconductor and optical-grade precision applications.

3.High Hardness & Wear Resistance
Mohs hardness up to 9, maintaining excellent durability under friction and abrasion.

4.Superior Electrical Insulation
Stable dielectric properties, ideal for high-voltage and high-frequency applications.

5.Exceptional Thermal Stability
Can operate at continuous temperatures above 1500°C, with excellent thermal shock resistance.

6.Corrosion & Chemical Resistance
Inert to acids, alkalis, plasma environments, and most industrial chemicals.

7.Tight Dimensional Tolerance
CNC machining and double-sided polishing available for custom sizes and precision assemblies.