Alumina Ceramic Fasteners/Industrial Fasteners
Properties of Alumina Ceramic Fasteners
The core advantage of alumina ceramic fasteners in large machines lies in their ability to provide long-term reliability and stability unmatched by metals in extreme or special environments such as high temperature, corrosion, wear and insulation.
Applications of Alumina Ceramic Fasteners
1. Electronic industry: Alumina ceramic fasteners used are insulating screws and electronic equipment, etc.
2. Medical device industry: Alumina ceramic fasteners used to manufacture insulating, non-magnetic, environmentally friendly and anti-interference medical equipment.
3. Shipping industry: Alumina ceramic fasteners used to manufacture acid-, alkali-, and corrosion-resistant ship equipment.
4. Aerospace industry: Alumina ceramic fasteners used to manufacture aerospace equipment with insulation, heat insulation and strong anti-interference.
5. Communication industry: Alumina ceramic fasteners used to manufacture insulating, non-magnetic and safe communication equipment.
6. New energy industry: Alumina ceramic fasteners used to manufacture new energy equipment that is resistant to high temperatures, chemical corrosion and can extend the service life of the equipment.
7. Other industries: such as machinery manufacturing and chemical equipment, etc., any fasteners that require wear resistance, corrosion resistance, and high temperature stability can be made of alumina ceramics.
Performance index
Alumina ceramic performance index (Notice of Correct in Leakeage Rate）
NO. | Property | Unit | Alumina |
1 | Al2O3 | % | >99.3 |
2 | SiO2 | % | — |
3 | Density | g/cm3 | 3.88 |
4 | Water absorption | % | 0.01 |
5 | Compressive strength | MPa | 2300 |
6 | 20℃ leakage rates | Torr・L/sec | >10-11=1.33322×10-12Pa・m3/sec |
7 | Twisting in high temperature | mm | 0.2 allowed in 1600℃ |
8 | Bonding in high temperature | not bonded in 1600℃ | |
9 | 20—1000℃ coefficient of thermal expansion | mm.10-6／℃.m | 8.2 |
10 | Thermal conductivity | W/m.k | 25 |
11 | Electric insulation strength | KV/mm | 20 |
12 | 20℃direct current insulation resistance | Ohm/cm | 1014 |
13 | High-temperature insulation resistance | 1000℃ MΩ | ≥0.08 |
1300℃ MΩ | ≥0.02 | ||
14 | Thermal shock resistance | 4 times not cracked in 1550℃ | |
15 | Maximum working temperature | ℃ | 1800 |
16 | Hardness | Mohs | 9 |
17 | Flexural strength | Mpa | 350 |
Our factory
Slip casting moulding: Inject the prepared slurry into the gypsum mold and let it stand for a period of time to allow the gypsum mold to absorb moisture. The slurry forms a uniform body on the inner wall of the mold.
Injection moulding: Inject a slurry containing paraffin into a metal mold at a certain temperature and pressure, and after the body cools and solidifies, perform demolding to prepare ceramic bodies.
Extrusion moulding: Suitable for long tube products, the powder is extruded into shape through an extruder.
FAQ
A1: We are factory.
A2: Generally it is 5-10 days if the goods are in stock. Or it is 15-30 days if the goods are not in stock, it is according to quantity.
A3: Yes, we could offer the small sample for free charge but do not pay the cost of freight.
A4: Payment 100% in advance. For products with large quantities and long construction periods, payment methods can be negotiated.
Certificates
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2. For any other satisfaction, please also feedback to us to make our service better and better.
