Custom Shaped Alumina Ceramic Parts Al2O3 Ceramic for Industrial Applications

﹡Product Overview

Our precision-engineered alumina (Al₂O₃) ceramic parts are designed for extreme wear resistance, thermal stability, and electrical insulation in demanding industrial environments. Custom geometries, sizes, and surface finishes available for OEM applications.

﹡Key Technical Specifications

✅ Material: 95%-99.8% Alumina (Al₂O₃) – Ultra-low porosity (<0.5%)

✅ Density: 3.7-3.9 g/cm³ – Dense, durable structure

✅ Flexural Strength: 300-400 MPa – Withstands heavy loads

✅ Hardness: 1,500 HV (Mohs 9) – Superior abrasion resistance

✅ Max Operating Temp: 1,600°C (2,912°F) continuous use

✅ Thermal Shock Resistance: ΔT >500°C (Water quenching test)

✅ Dielectric Strength: 15-20 kV/mm – Excellent insulation

✅ Surface Finish: Polished (Ra <0.1µm), ground (Ra 0.4µm), or as-fired

✅ Tolerances: ±0.01mm (precision-machined parts)

﹡Industry Applications

1. Semiconductor Manufacturing

Plasma-resistant chamber components – Non-contaminating, RF-transparent

Wafer handling arms – Prevents electrostatic discharge (ESD)

2. Industrial Machinery

Wear-resistant bushings & liners – 10× lifespan vs. steel in abrasive environments

Textile machine guides – Resists fiber abrasion

3. Chemical Processing

Pump seals & valve seats – Corrosion-resistant in acid/alkali media

Reactor vessel internals – Withstands corrosive slurries

4. Medical Devices

Surgical tool components – Biocompatible (ISO 6474)

Dental implant abutments – MRI-safe, wear-resistant

5. Energy & Automotive

Fuel cell stack insulators – High-temperature stability

Sensor housings – Thermal cycling resistant

﹡Why Choose Our Alumina Parts?

✔ Zero Metal Contamination – Critical for semiconductor/medical uses

✔ Complex Geometry Capability – CNC/laser machining for intricate designs

✔ Cost-Effective – Longer lifespan than metals in harsh conditions

✔ Rapid Prototyping – 5-10 day lead time for samples

﹡Production process

1. Grind and crush the raw materials to be slurry or powder

2. se-different method to making the slurry or powder into semi-finished products

3. Put the semi-finished products into the kiln for dewaxing and sintering;

4. After forming and sintering, Ceramic Sleeves products can also be processed by subsequent CNC precision machining according to the drawing requirements. Then Q/C test.

5. Finally package Ceramic Sleeves by bubble paper or cartons and place it on tray for delivery

﹡Certifications

﹡Company

Yixing Shengda Refractory Ceramic Co, Ltd. was established in Yixing City, China in 1995, witha production area of over 10,000m2. lt is an enterprise specializing in the production of aluminaceramic,zirconia ceramic,slicon nitride, silicon carbide and other precision ceramic products. 

And we also produce ceramic band heaters, ceramic terminal block, cordierite and mullite ceramic parts an other ceramic products.

﹡Ceramic Properties