Silicon oxide ceramic (SiO₂ ceramic) is a high-performance ceramic material with exceptional stability, manufactured using high-purity silicon dioxide (SiO₂≥99.7%) through specialized sintering processes. This product demonstrates unparalleled chemical and thermal stability in extreme environments, making it an ideal choice for demanding industrial applications.

Primary Applications

• Semiconductor manufacturing: Corrosion-resistant components for wafer processing equipment

• Optical industry: Substrate material for high-precision optical lenses

• Chemical processing: Corrosion-resistant elements for strong acid/alkali environments

• High-temperature applications: Components for heat treatment equipment below 1600°C

• Electronics: High-frequency insulation components

Stability Advantages

✓ Superior chemical inertness: Resistant to all inorganic acids (except HF) and organic solvents
✓ Excellent thermal stability: CTE only 0.5×10⁻⁶/°C (20-1000°C)
✓ Low dielectric loss: Dielectric constant 3.8 at 1MHz, loss tangent 0.0002
✓ Thermal shock resistance: Withstands rapid quenching from 1000°C to room temperature
✓ Long-term stability: Service life exceeding 10 years in harsh environments

Technical Specifications

Manufacturing Process

1. Material preparation: Purification of quartz sand to >99.9% purity

2. Forming: Isostatic pressing or slip casting

3. High-temperature sintering: 1350-1450°C special atmosphere sintering

4. Precision machining: Ultra-precision polishing (Ra≤0.01μm)

5. Quality inspection: XRD phase analysis, chemical stability testing

Usage Guidelines

⚠️ Temperature control: Recommended ≤1600°C
⚠️ Chemical exposure: Avoid HF and hot concentrated alkalis
⚠️ Mechanical protection: Prevent impact (brittle material)
⚠️ Maintenance: Clean with neutral detergents

After-Sales Service

• Technical support: Free material stability analysis reports

• Customization: Special dimensions and shapes available

• Emergency response: 48-hour technical consultation

FAQ

Q: Stability in humid environments?
A: Excellent hydrolysis resistance for long-term use in high humidity.

Q: Stability advantages vs alumina ceramic?
A: Lower CTE and better chemical stability, ideal for precision applications.

Q: Maximum tolerable temperature shock?
A: Withstands instantaneous ΔT of 800°C.