Custom-made alumina special-shaped ceramic parts insulating
wear-resistant ceramics
Product Overview
Alumina ceramics have high melting point and high boiling point. It
will not be affected when used at high temperature. It is
non-magnetic so it does not absorb dust and reduce surface
shedding. It is an insulator at room temperature and has high
resistivity. It will not be affected under strong acid, strong
alkali, and inorganic organic salt conditions.
Product parameter table
Material
Project | Alumina AL203 | Silicon carbide sic | Silicon nitride sin | Silicon nitride sin |
| Color | Ivory | black | black | Milky white, gray black |
| Content(%) | 99.5 | …… | …… | …… |
| Main features | - Excellent high frequency electrical insulation
Good wear resistance preservative Strong High hardness
| - Good high temperature strength
- High thermal conductivity
- Strong alkali resistance
- Wear-resistant
- Lightweight
| - Good high temperature strength
- Strong impact resistance
- Strong corrosion resistance
- Lightweight
| - High strength and high impact resistance
- Good self-lubricating
- Strong alkali resistance
- Smooth surface
- Good toughness
|
| The main purpose | - Wear parts
- High temperature parts
- Corrosion resistant parts
| - Machinery Seal
- Sliding parts
- High temperature parts
| - Molten metal parts
- Metal plasticity
- Processed parts
| - Industrial knives
- Pump parts
- Wear parts
|
| Density | Kg/m³ | 3.9*10 | 3.16*10 | 3.3*10 | 6.0*10 |
Mechanical behavior
| Vickers hardness | Gpa | 16.0 | 23.0 | 14.0 | 13.2 | 12.7 |
| Flexural strength | Mpa | 360 | 450 | 1020 | 1000 | 1470 |
| Compressive strength | Mpa | 2350 | …… | …… | …… | …… |
| Fracture toughness | Mpa | 4 | 2-3 | 7 | 4-5 | 4-5 |
Thermal performance
| Linear expansion coefficient | 40-400℃ | ×10-5/℃ | 7.2 | 3.7 | 2.8 | 10.5 | 10.8 |
| 40-800℃ | 8.0 | 4.4 | 3.3 | 11.0 | 11.3 |
| Thermal conductivity | W/(m·k) | 32 | 200 | 27 | 3 | 3 |
| Specific heat | J/(kg·k) | 0.78*10 | 0.67*10 | 0.65*10 | 0.46*10 | 0.46*10 |
| Thermal shock resistance (in water) | ℃ | 250 | …… | ＞800 | 300 | 350 |
| Electrical performance | Dielectric strength | V/m | 15*105 | …… | 13*105 | 11*105 | …… |
| Volume resistance(20℃) | Ω·cm | ＞1014 | 108 | 1014 | 1013 | …… |
| Dielectric constant | …… | 9.6 | …… | 9.9 | 33 | …… |
| Loss factor | ×10-4 | 10 | …… | …… | 520 | …… |
Product advantages
The product quality is excellent and stable, the specifications are
standard, and the appearance is smooth and even. The main
performance indicators—moisture absorption rate, bulk density,
flexural strength, peel strength, and fire resistance are better
than the national standard requirements.
Applications
- Shipbuilding, bridges, large-scale structural facilities
- Lighting industry
- Electronics and electric heating industry
Product Picture
Alumina ceramics are also called precision ceramics, special
ceramics, or high-tech ceramics. It uses highly selected raw
materials and is produced according to a special manufacturing
process, which can precisely control the chemical composition and
ceramics with excellent properties.
Product packaging
Packed in carton
FAQ
1. Are you a factory or a trading company?
Answer: We are a factory, welcome to visit our factory.
2. What is the price of your product?
Answer: Please do your best to inquire about each detailed
requirement including quantity, size, color, packaging, etc., then
we will give you an accurate quotation at the first time.
3. How to guarantee the quality of the products we ordered from
you?
Answer: The company has strong technical force, advanced production
equipment and perfect testing methods. The products have beautiful
appearance and quality assurance. The company has passed ISO9001:
2000 international quality system certification, and the product
sales network covers all parts of the country; more than 80% The
products are exported to Asia, Europe, and the United States, and
enjoy a good reputation in the domestic and foreign markets. The
company has strong technical support, excellent management
personnel, and perfect customer service. Regardless of product
quality or distribution services, they have won the praise of
customers.
4. Is it possible to make the product our own design?
Answer: Yes! We accept customized orders. And we also have an
experienced R&D team, and will do everything in accordance with
your expectations!
