99% Alumina Ceramic Rod

99% Alumina Ceramic Rod – Technical Specifications

Material Composition
High-purity 99% aluminum oxide (Al2O3) ceramic with optimized sintering process

Key Properties
1. Mechanical Strength
Flexural strength: 300-400 MPa
Compressive strength: 2500-3000 MPa
2. Thermal Properties
Maximum working temperature: 1600°C
Low thermal expansion coefficient
3. Electrical Properties
Volume resistivity: >10¹⁴ Ω·cm
Dielectric strength: 15-20 kV/mm
4. Chemical Resistance
Excellent resistance to acids and alkalis
Stable in most chemical environments

Standard Specifications
Purity: ≥99% Al2O3
Density: ≥3.9 g/cm³
Surface roughness: Ra ≤0.4 μm (as-fired)

Available Sizes
Diameter: 1-100 mm
Length: up to 1000 mm
Custom dimensions available

Typical Applications
High temperature furnace components
Semiconductor processing equipment
Industrial wear-resistant parts
Precision measurement devices
Electrical insulation components

Quality Assurance
ISO 9001 certified production
Full material traceability
ROHS compliant

Additional Options
Precision grinding service
Metallization available
Custom shapes upon request

Note: Technical drawings and material test reports can be provided for specific requirements. Samples available for evaluation.