Ceramic fasteners are non-metallic fastening components made from advanced ceramic materials such as alumina. They are commonly used in high-temperature equipment, electrically insulated assemblies, corrosion-prone systems, and laboratory instruments for fastening, connecting, and insulated mounting applications. Compared with metal fasteners, ceramic fasteners are better suited for environments involving heat, acids, alkalis, moisture, or non-conductive requirements. They help reduce problems such as corrosion, electrical conductivity, oxidation, and short service life that are often associated with metal parts in demanding conditions.
Specifications
|
Parameter |
Value |
|
Material |
Alumina ceramic |
|
Common Grades |
96% / 99.5% / 99.8% |
|
Structure |
Ceramic fastener |
|
Density |
3.70-3.92 g/cm³ |
|
Hardness |
11.5-14.5 GPa |
|
Flexural Strength |
298-360 MPa |
|
Dielectric Strength |
8.3-8.7 kV/mm |
|
Volume Resistivity |
>10¹⁴-10¹⁵ Ω·cm |
|
Thermal Conductivity |
22.4-33.0 W/m·K |
|
Service Temperature |
1600-1700°C |
Key Features
- Electrical insulation
- High-temperature stability
- Chemical corrosion resistance
- Oxidation resistance
- Non-magnetic
Applications:
- Fasteners for heat treatment equipment
- Fasteners for industrial furnaces
- Fasteners for analytical instruments
- Fasteners for chemical equipment
- High-voltage insulated assembly parts
Factory Strength
The company has long focused on the R&D, production, and sales of industrial ceramics and precision ceramic spare parts. Its material systems cover alumina, zirconia, steatite, and related ceramics, and it has built mature supply experience in the manufacture of insulating parts, fasteners, and structural connection components.
Quality Control
Production is carried out according to drawings and the required overall dimensions, mating dimensions, and installation requirements. Under the ISO9001 quality management system, raw material batches, first-article approval, in-process sampling inspection, finished product inspection, and pre-shipment reinspection are all controlled. Inspections cover overall dimensions, mating dimensions, installation-area integrity, as well as cracks, chipped edges, and surface defects.
After-Sales Service
After delivery, follow-up support is available based on actual use feedback. Timely responses can be provided for abnormal arrivals, transit damage, product issue feedback, and repeat order requirements.
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