High-Performance Alumina Ceramic Nozzles For Precision Forming And High-Temperature Spraying Applications
The alumina ceramic nozzle is manufactured using high-purity alumina (Al₂O₃≥99.5%) through precision forming and high-temperature sintering processes. Featuring ultra-high hardness (HV10≥1800) and exceptional wear resistance, this product is specifically designed for high-wear spraying applications.
Primary Applications
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Sandblasting equipment: Metal surface treatment nozzles
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Spray coating industry: Powder coating spray gun tips
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Cleaning systems: High-pressure water jet nozzles
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Electronics industry: Semiconductor cleaning spray heads
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Chemical processing: Corrosive media injection systems
Product Advantages
✓ Ultra-high hardness: HV10≥1800 with outstanding wear resistance
✓ Corrosion resistance: Resistant to acids and alkalis (except HF)
✓ High-temperature stability: Continuous service at 1500°C
✓ Precise orifice: Machining tolerance ±0.01mm
✓ Cost-effective durability: 8-10 times longer lifespan than metal nozzles
Technical Specifications
| Parameter | Specification |
|---|---|
| Material | High-purity alumina (Al₂O₃≥99.5%) |
| Hardness | HV10≥1800 |
| Density | 3.85-3.95g/cm³ |
| Flexural Strength | ≥300MPa |
| Max Operating Temp | 1500°C |
| CTE | 7.5×10⁻⁶/°C |
| Orifice Tolerance | ±0.01mm |
| Surface Roughness | Ra≤0.1μm |
Manufacturing Process
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Material preparation: High-purity alumina powder (D50≤0.8μm)
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Forming process: Isostatic pressing (200MPa)
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High-temperature sintering: 1750°C atmosphere-controlled sintering
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Precision machining: CNC internal hole grinding
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Quality inspection: Orifice measurement, hardness testing, strength verification
Usage Guidelines
⚠️ Installation: Use dedicated tools - avoid impact
⚠️ Pressure limit: Working pressure ≤50MPa
⚠️ Media restrictions: Avoid HF and molten alkali metals
⚠️ Maintenance: Regular inspection of orifice wear
After-Sales Service
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Technical support: Free spray optimization solutions
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Customization: Non-standard orifice sizes and shapes available
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Emergency response: 24-hour technical consultation
FAQ
Q: Advantages vs tungsten carbide nozzles?
A: Higher hardness, better corrosion resistance, longer service life.
Q: Maximum working pressure?
A: Standard products 50MPa, special designs up to 80MPa.
Q: When to replace nozzle?
A: Replace when spray angle deviation exceeds 5° or flow rate changes ±10%.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.