Alumina Ceramic: High-Performance Material Solution For Precision Industry

Alumina Ceramic: High-Performance Material Solution for Precision Industry

Introduction
Alumina ceramic (Al₂O₃) is an advanced engineering ceramic material with alpha-alumina as the main crystal phase. Manufactured using high-purity raw materials through high-temperature sintering process, it is renowned for its excellent electrical insulation, extremely high mechanical strength, and outstanding corrosion resistance. It is an indispensable key material in precision instruments, mechanical equipment, and chemical industries, providing reliable performance guarantee for high-end equipment.

Applications

1. Precision Instruments: Insulating pillars, circuit substrates, vacuum seals, measuring instrument guides

2. Mechanical Field: Bearings, bearing sleeves, mechanical seal rings, wear-resistant liners

3. Chemical Equipment: Corrosion-resistant pipelines, valve linings, pump components, reactor linings

Advantages

1. Excellent Insulation Performance: Dielectric strength up to 15-20kV/mm, volume resistivity >10¹⁴Ω·cm

2. Outstanding Mechanical Properties: Compressive strength ≥2000MPa, Vickers hardness ≥1500HV

3. Exceptional Corrosion Resistance: Resistant to acid and alkali corrosion, excellent chemical stability

4. High Heat Resistance: Long-term service temperature up to 1400℃

5. Low Wear Rate: Wear resistance is more than 10 times that of metal materials

Specification Parameters Table

Manufacturing Process
Raw material selection → Formula preparation → Spray granulation → Isostatic pressing → High-temperature sintering → Precision machining → Laser detection → Strict quality inspection → Packaging and shipment

Usage Instructions

1. Check product dimensions and surface quality before installation

2. Avoid collision with hard objects to prevent edge chipping

3. Consider thermal expansion coefficient differences when matching with metal parts

4. Recommended to use special tools for installation

5. Regularly inspect usage status and replace worn parts promptly

After-Sales Service

1. 12-month product quality guarantee

2. Professional technical team providing technical support

3. Quick response to customer inquiries and feedback

4. Customized solutions based on requirements

5. Establish complete customer files and tracking service

FAQ

1. Q: What is the maximum service temperature of alumina ceramic?
   A: Long-term service temperature up to 1400℃, short-term up to 1600℃

2. Q: Can it be machined?
   A: Yes, but diamond tools are required for machining

3. Q: What is the delivery time for products?
   A: 7-15 days for standard products, 30-45 days for special specifications