99% 95% Al2O3 Alumina Ceramic Ring
Dense alumina rings for pump seals, insulators and wear seats, in 95% and 99% grades.
- MaterialAlumina ceramic
- SizeCustomized
- ShapeRing
Al2O3 Alumina Ceramic Parts
95% and 99% alumina rings, tubes, substrates and plates for insulation, wear and high temperature service up to 1650C.
What This Range Is For
95% and 99% alumina rings, tubes, substrates and plates for insulation, wear and high temperature service up to 1650C.
Performance Advantages
- High hardness
- High strength
- Wear resistance
- Corrosion resistance
- High temperature resistance of 1600 degrees
- Good heat dissipation
- Good insulation performance
- High cost performance
Industry Applications
- Machinery
- Electronics
- Chemicals
- Petroleum
Typical Parts
- Special environment and electronic substrates
- Pump seals
- Wear resistant inserts
- Insulating washers or bushings
- Semiconductor components
- Aerospace components
- Automotive sensors
- Electrical or electronic insulators
Material: Alumina (Al2O3). Everything in this range can be made in a custom size, shape and, where the material allows it, colour.
Five Products In This Range
Textile Machinery Ceramic Accessories
Alumina yarn guides and eyelets in standard D6*5 to D10*10 sizes or to your drawing.
- MaterialAlumina
- ColorPink, white, red, black
- SizeD6*5 D8*8 D4*3 D9*9 D10*10 or custom
Refractory Alumina Ceramic Tube
Furnace work tubes and thermocouple protection tubes rated to 1650°C.
- ColorWhite, pink
- Density3.85 g/cm3
- MONS' HardnessGrade 9
Al2O3 Alumina Ceramic Substrates
Substrates from 0.1mm thick, with in-house laser cutting, drilling, scribing and marking.
- ShapeCustom
- MaterialAlumina
- Density3.8 g/cm3
99% Al2O3 Alumina Ceramic Sheet Blank Plate
Injection moulded 99% alumina blanks and finished plates, MOQ 1 piece.
- SizeCustomized
- ColorWhite, black
- MOQ1 pcs
Parts We Have Made In Alumina Al2O3
Photographed in our own plant, not rendered.
Published Properties
| Item | Unit | Typical value |
|---|---|---|
| Physical Properties | ||
| Color | Ivory/Beige | |
| Density | g/cm3 | 3.85 |
| Alumina Content | % | 99% |
| Gas permeability | 0 | |
| Water Absorption | 0 | |
| Mechanical Properties | ||
| MONS' Hardness | Grade | 9 |
| Rockwell Hardness | HRA | 92 |
| Vickers Hardness (Hv50) | Gpa(Kg/mm2) | 15.7 (1600) |
| Flexural Strength (20C) | Mpa | 330 |
| Compressive Strength (20C) | Mpa | 2000 |
| Fracture Toughness (20C) | MPam1/2 | 4 |
| Modulus of Elasticity | Gpa | 350-400 |
| Thermal Properties | ||
| Thermal Conductivity (20C-400C) | W(m.K) | 27.5 |
| Thermal Expansion Coefficient | 10-6/C | 7.6 |
| Thermal Shock Resistance | dT C | 200 |
| Maximum Use Temperature | C | 1650 |
| Electronic Properties | ||
| Dielectric Strength | KV/mm | > 10 |
| Dielectric Constant | Er | 9.1 |
| Dielectric Loss Angle (1MHz) | 0.0002-0.0003 | |
| Volume Resistivity (20C) | ohm.cm | > 10^14 |
Where This Range Is Used
- Electronics And SemiconductorSubstrates, insulators and vacuum chuck plates
- Textile MachineryYarn guides, eyelets and friction parts
- Industrial Heating And FurnacesHeating strips, work tubes and kiln furniture
- Petroleum And ChemicalCorrosion resistant rings, rods and liners
Related Reading
Questions About Al2O3 Alumina Ceramic Parts
Which parts in this range are made to drawing?
All of them. We can supply the products according to the customer's drawings, samples and performance requirement.
What is the lead time?
Sample delivery in 4 to 7 working days. Production is 15 to 30 days if the goods are not in stock, according to the dimension and quantity.
Do you charge for a sample?
We offer the sample free of charge but do not pay the cost of freight.
How is quality confirmed before shipment?
We inspect according to your drawings and issue an inspection report, and provide photographic documentation of the packing and shipping process.
Other Ranges
Zirconia Ceramic Parts
High toughness zirconia parts for wear surfaces that run against metal, fluid or fibre without picking up magnetism or corroding.
See the range
Steatite Ceramic Parts
Talc based steatite beads, strips and insulators for electrical heating assemblies where dielectric strength matters more than toughness.
See the range
Metallized Ceramic Parts
Mo/Mn metallized and plated alumina ready for brazing into vacuum interrupters, feedthroughs and hermetic assemblies.
See the range
SSIC And SIC Parts
Silicon carbide rings, cylinders and seal faces for abrasive slurry and hot gas duty where alumina wears through too quickly.
See the rangeGet A Quote On A Alumina Al2O3 Part
Send the drawing or the sample. We quote on the part, not on a catalogue number.