Custom Alumina Ceramic Components – 95% to 99.8% Purity

Precision-Engineered Aluminum Oxide Parts at Up to 25% Lower Cost

Why Choose C-MAC for Alumina Ceramics?

Six Purity Grades Available – 95%, 97%, 99%, 99.5%, 99.7%, and 99.8% Alumina to match your exact specifications

Ultra-Tight Tolerances – Precision to ±0.0001″ with surface finishes to 4µin

Stocking & Consignment Programs – 6-12 month material stocking ensures consistent supply and eliminates lead time delays

Large Part Capability – Components >36″ length and diameter

Fast Turnaround – Quick quotes within 24 hours, faster delivery than large competitors

ISO 9001 Certified – Quality management systems for consistent, reliable production

NSF Certified CMAC995 – Certified for food and beverage industry applications

100+ Years Combined Experience – Engineering support from concept to production

Our Alumina Grades:

95-97% Alumina: Cost-effective for general wear resistance and electrical insulation

99-99.5% Alumina: High-purity applications requiring enhanced thermal and mechanical performance

99.7-99.8% Alumina: Ultra-high purity for superior dielectric properties and maximum performance

Manufacturing Capabilities:

Materials: Six Alumina purity grades (95%, 97%, 99%, 99.5%, 99.7%, 99.8%)

Max Length and Diameter: >36″

Tolerances: ±0.0001″ achievable | Flatness ≤0.00012″

Surface Finish: Alumina: 4µin

Volume: Prototype to full production runs

Services: Cold isostatic pressing (CIP), precision CNC machining, cleanroom assembly, metallizing

Inventory Management: 6-12 month stocking and consignment programs available

Key Alumina Properties:

  • High-temperature resistance to 3092°F (1700°C)
  • Exceptional wear and abrasion resistance
  • Superior electrical insulation (dielectric strength 15 kV/mm)
  • Chemical and corrosion resistance
  • High mechanical strength (flexural strength to 380 MPa)

Industries We Serve:

Aerospace | Automotive | Chemical Processing | Electronics | Food & Beverage | Industrial Equipment | Medical | Oil & Gas

Typical Alumina Applications:

Electronic substrates | Sensor components | Wear plates | Seals and valves | Thermocouple protection tubes | Insulators | Pump components | Cutting tools

Eliminate Supply Chain Headaches with Our Stocking Programs

Our 6-12 month material stocking and consignment programs keep your production running smoothly. We hold inventory so you don’t have to, reducing your carrying costs while ensuring consistent material supply and eliminating lead time delays.

Ready to reduce costs and secure your supply chain?
(412) 794-8007

Get a Fast Quote

24-hour turnaround on quotes. Engineering support included.


✓ 100+ Years Experience✓ Made in USA✓ Fast Turnaround