Custom Alumina Ceramic Parts Wear-Resistant High-Temperature & Electrical-Insulating Alumina Zirconia Industrial Ceramic Components
Description
- 99% Alumina
“The ultimate lifetime choice.” 99% purity, HV 1700 hardness, 1700°C continuous duty, electrical insulation >10¹² Ω·cm.
Used for semiconductor etch rings, high-pressure valves, fiber-guide wheels—30–50% longer life than 95% alumina. - 95% Alumina
“The cost-performance king.” HV 1500 hardness, low-cost normal sintering, mass-production lead time 7–10 days.
Mechanical seal faces, textile ceramics, mining liners—our largest annual volume, unit price only 60% of 99% alumina. - Steatite
“The high-frequency insulator.” tan δ 0.4×10⁻³, ε = 5.8 at 100 MHz, dielectric strength 10 kV/mm.
Spark-plug bodies, RF connectors, fuse housings—>40% of the global electro-ceramic market. - Mullite
“The thermal-shock champion.” 3Al₂O₃·2SiO₂ lattice, CTE 6×10⁻⁶/℃, survives ΔT 300°C without cracking.
Kiln setter tiles, thermocouple protection tubes, molten-metal filter tubes—1000 thermal cycles at 1200°C, zero spall. - Cordierite
“The lightweight insulator.” Density 2.5 g/cm³, thermal conductivity 1.3 W/m·K—35% lighter than alumina.
Automotive catalyst substrates, precision heat-treat fixtures, LED heat-spreader insulators—cut weight, cut power. - Zirconia
“The tough ceramic star.” Fracture toughness 8–10 MPa·m¹/², flexural strength 1100 MPa—three times alumina.
Ceramic bearings, wire-drawing cones, scissor blades—no chipping, no contamination, food- & pharma-safe.
Technical Parameters
| Material | 99% Alumina | 95% Alumina | Steatite | Mullite Cordierite | Cordierite | Zirconia |
| Main composition | 99%Al₂O₃ | 95%Al₂O₃ | SiO₂ | 3Al₂O₃·2SiO₂ | 2MgO·2Al₂O₃·5SiO₂ | ZrO₂ |
| Density (g/cm³) | 3.9 | 3.6 | 2.8 | 3 | 2.5 | 6 |
| Water absorption (%) | 0 | 0 | 0 | 3 | 3 | 0 |
| Sintering temperature (°C) | 1700 | 1680 | 1350 | 1300 | 1350 | 1600 |
| Hardness (HV) | 1700 | 1500 | 800 | 1000 | 800 | 1300 |
| Flexural strength (kgf/cm²) | 3500 | 3000 | 900 | 1100 | 900 | 11000 |
| Compressive strength (kgf/cm²) | 30000 | 25000 | 4000 | 6000 | 3500 | 25000 |
| Fracture toughness (MPa·m¹/²) | 4 | 3–4 | — | — | — | — |
| Maximum service temperature (°C) | 1500 | 1450 | 1100 | 1000 | 1000 | — |
| Thermal expansion (0–1000 °C) (×10⁻⁶/°C) | 8 | 8 | 6 | 6 | 4 | 9.5 |
| Thermal shock resistance ΔT (°C) | 200 | 220 | 200 | 300 | 250 | 360 |
| Thermal conductivity (25–300 °C) (W/m·K) | 31.4 | 25 | 2.5 | 4.2 | 1.3 | 3 |
| Volume resistivity (Ω·cm) | ||||||
| 20℃ | >10¹² | >10¹² | >10¹² | >10¹² | >10¹² | >10¹² |
| 100℃ | 10¹²–10¹³ | 10¹²–10¹³ | 10¹⁰–10¹¹ | 10¹⁰–10¹¹ | 10⁷–10⁸ | — |
| 300℃ | >10¹² | ≥10¹⁰ | 5×10⁸ | 3×10⁵ | 5×10⁶ | — |
| Dielectric strength (kV/mm) | 18 | 18 | 10 | 10 | 10 | — |
| Relative permittivity ε (100 MHz) | 10 | 9.5 | 5.8 | 6 | 6 | — |
| Dielectric loss tan δ (×10⁻³) | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | — |
Custom Process
Drawing: The process begins with the initial design concept.
Mold Design: Based on the drawing, the mold is meticulously designed.
Quotation: Once the design is finalized, a quotation is provided to the customer.
Place Order: The customer places an official order.
Down-payment & Sample Submission: A down-payment is made, and a sample is submitted for approval.
Sample Approval by Customer: The customer reviews and approves the sample.
Confirm and Proceed with Payment: Upon sample approval, the customer confirms and proceeds with the remaining payment.
Process Planning: Detailed planning for the manufacturing process is undertaken.
Raw-Material Mixing: The necessary raw materials are precisely mixed.
Press Molding: The mixed materials are formed using press molding techniques.
Kiln Sintering: The molded parts undergo kiln sintering for solidification and strength.
Precision Inspection: Each part is subjected to rigorous precision inspection.
CNC Machining: Further shaping and finishing are performed using CNC machining.
Pre-shipment Check: A final comprehensive check is conducted before shipment.
Packaging: The finished products are carefully packaged.
Logistics Dispatch: The packaged products are dispatched for logistics and delivery.
Follow-up: After delivery, follow-up is conducted to ensure customer satisfaction.
Note: EXW price $0.01/pc is the display for the custom item, the actual price will be calculated through the design with the purchase Qtys given the customers.
Appearance
\
รีวิว
ยังไม่มีบทวิจารณ์