Core Material & Key Properties
- Primary Materials: High-purity alumina (Al₂O₃ ≥99.7%), zirconia (ZrO₂), silicon nitride (Si₃N₄), and boron nitride (BN) — selected for low impurity content (ppm-level) to avoid contaminating semiconductors or PV wafers.
- Critical Performance Traits:
- Ultra-high temperature resistance (sustains 1200–1800℃ for long periods, withstands thermal shock).
- Excellent chemical inertness: Resists corrosion from gases (e.g., hydrogen, argon) and molten materials in furnaces.
- Low thermal conductivity & high insulation: Prevents heat loss and ensures electrical safety in high-voltage furnace environments.
- Dimensional stability: Minimal thermal expansion to maintain precision during repeated heating/cooling cycles.
Common Product Types & Applications
- Furnace Liners/Chambers: Form the inner wall of PV semiconductor furnaces, isolating the processing area from external contamination.
- Crucibles & Boats: Hold raw materials (e.g., silicon ingots, semiconductor wafers) during annealing, diffusion, or deposition processes.
- Rotors & Blades: Used in gas mixing or wafer handling systems within furnaces, requiring high precision and wear resistance.
- Supports & Fixtures: (e.g., ceramic shelves, pins) Secure wafers or components during high-temperature processing, ensuring uniform heat distribution.
Core Advantages for PV Semiconductor Industry
- Ensures product purity: Low impurity emission prevents defects in semiconductors or PV cells.
- Extends furnace service life: Resists wear, corrosion, and thermal fatigue better than metal alternatives.
- Enhances process stability: Consistent performance reduces production downtime and improves yield.
Technical Parameters
| Item |
Unit |
Zirconia ceramic |
99% alumina ceramic |
96% alumina ceramic |
95% alumina ceramic |
Steatite ceramic |
Mullite ceramic |
Cordierite ceramic |
| Bulk density |
g/cm3 |
6 |
3.8 |
3.7 |
3.6 |
2.8 |
2.2 |
2.3 |
| Water absorption |
% |
0 |
0 |
0 |
0 |
0 |
12 |
12 |
| Thermal Conductivity |
(w/m.k) |
10 |
19-30 |
16-28 |
14-24 |
2-3 |
2-6 |
1.3-1.8 |
| Resistance to thermal shock,Minimum |
TK? |
70 |
150 |
140 |
140 |
80 |
150 |
300 |
| Withstand voltage,Minimum |
KV |
15 |
20 |
18 |
18 |
20 |
25 |
- |
| Flexural strength |
Mpa |
1000 |
300 |
280 |
240 |
120 |
120 |
30 |
| Sintering temperature |
℃ |
1500 |
1670 |
1600 |
1600 |
1250 |
1250 |
1250 |
| Maximum working temperature |
℃ |
1200 |
1500 |
1200 |
1200 |
800 |
1000 |
1000 |
Application
Specifically used for high-temperature and high-voltage insulation parts, circuit substrates, high-temperature devices, etc. As the main representative of precision ceramic materials, it is widely used in industries such as semiconductors, petrochemicals, and electronics.
Advantages
1. we support OEM and ODM;
2. We have a professional R&D team and technical support;
3. We provide real-time logistics update information;
4. We support 24-hour online service;
5. We support T/T,L/c payment;
6. We have a professional QC team to check the quality before delivery.
Certificate
FAQ
1. How can you get quotation?
Please kindly send me your drawing with technic requirement and demand quantity.
If you don't have the drawing, please kindly courier samples to us. we will quote our best price in 24 hours.
2. How can you get samples?
We can supply free samples if we have them in stock. If we haven't produce the products, we can supply some free samples after getting tool fee. Please take note that the courier fee should be at destination.
3. What’s the lead-time for samples and batch orders?
It is 18days for supplying samples. It is around 25days for batch orders.
4. Can I visit you?
Sure. If you're a volume buyer and would like to visit our in-house products and production line, please contact us to make an appointment.
