Customized Low Price 95% Alumina Al2o3 Ceramic Spacer Round Plate with Hole

﹡Product Overview

Our 95% alumina ceramic spacers and round plates provide exceptional electrical insulation, thermal stability, and mechanical strength at competitive prices. These precision-engineered components feature custom hole patterns and dimensions to meet exact application requirements in electronics, machinery, and high-temperature systems.

﹡Key Features & Benefits

✔ Cost-Effective Performance - 95% purity delivers optimal value

✔ Excellent Insulation - Volume resistivity >10¹⁴ Ω·cm

✔ High-Temperature Resistance - Stable up to 1500°C (2732°F)

✔ Precision Dimensions - Tight tolerances (±0.01mm available)

✔ Customizable Designs - Various hole patterns and edge treatments

✔ Chemical Resistance - Withstands acids, alkalis, and solvents

﹡Industry Applications

1. Electronics & Electrical Systems

PCB insulating spacers for high-voltage equipment

Power module isolation plates in IGBT devices

RF/microwave component supports

2. Semiconductor Manufacturing

Wafer processing fixtures

Plasma etch chamber components

Vacuum system insulators

3. Industrial Machinery

Bearing isolators in motors and generators

Thermal barrier plates for furnaces

Alignment spacers for precision equipment

4. Automotive & Aerospace

Sensor mounting plates in harsh environments

Battery insulation components for EVs

High-temperature gaskets

5. Medical & Laboratory Equipment

Sterilizable instrument components

Non-reactive sample holders

MRI-compatible fixtures

﹡Why Choose Alumina Ceramic Spacer?

✅ Factory Direct Pricing - Significant cost savings vs. 99% Al₂O₃

✅ Rapid Prototyping - Samples available in 5-7 working days

✅ Precision Manufacturing - Advanced CNC grinding capabilities

✅ Quality Assurance - Full dimensional inspection on all parts

✅ Technical Support - Engineering assistance for optimal design

﹡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