E-mail：admin@cerampart.com
Alumina ceramic parts custom and machinable AL2O3 alumina spare part components
- Materials：Alumina (Al2O3) 95% - 99.99%
- Sizes：According to customer requirements
- Delivery times：2 -25 days(depends on the quantity)
- Precision：Ra 0.1um tolerance: 0.001mm... etc
- Features：Heat resistance / Wear resistance / High purity / Refractory / High Corrosion / Good Insulation
Alumina ceramic parts custom and machinable AL2O3 alumina spare part components
The al2o3 alumina ceramic parts as a kind of the industry equipment spare components was made of the mainly alumina ceramics raws:95% — 99.99%. The different chemical composition and structure of alumina ceramics determine their different special properties and functions, such as high strength, high hardness, high toughness, corrosion resistance, etc.
Alumina ceramic part type:
Alumina ceramic tube part
Alumina ceramic rod part
Alumina ceramic plate part
Alumina ceramic bushing part
Alumina ceramic flange part
Alumina ceramic gear part
Alumina ceramic sheet part
Alumina ceramic pump part
Alumina ceramic shaft part
Alumina ceramic sealing part
Alumina ceramic ring part
Alumina ceramic insulator part
Alumina ceramic liner part
and other types
Properties of Alumina/Aluminum Oxide (Al2O3)
1.Very good electrical insulation (1x1014 to 1x1015 Ωcm)
2.Moderate to extremely high mechanical strength (300 to 630 MPa)
3.Very high compressive strength (2,000 to 4,000 MPa)
4.High hardness (15 to 19 GPa)
5.Moderate thermal conductivity (20 to 30 W/mK)
6.High corrosion and wear resistance
7.Good gliding properties
8.Low density (3.75 to 3.9 g/cm3)
9.Operating temperature without mechanical load 1,000 to 1,500°C.
10.Bioinert and food compatible
User industries
automotive, aviation, space travel
electrical and thermal insulation
electronics and sensors
energy technology, power generation
environmental technology
fluid technology
friction-reduction, wear- and corrosion -protection
high temperature applications
laboratory technology
laser technology
mechanical and chemical process engineering
metal industry
optics
semiconductor processing equipment
surface treatment
vacuum technology
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Alumina ceramic component parts customization:
Parts customization, due to the product size, material, processing accuracy and other requirements, resulting in the cost of materials, processing costs, packaging logistics costs will be different.
Please be sure to contact us when ordering, as much as possible to provide parts information (drawings or samples, use environment, etc.) and your requirements (quantity, delivery date, etc.), we will recommend for you to meet your requirements of the product program and quotation.
Our official e-mail: admin@cerampart.com
Alumina Ceramic Part Parameters
| Properties | Unit | Alumina (AL2O3) | |||
| AL2O3≥95 | AL2O3≥99 | AL2O3≥99.5 | AL2O3≥99.8 | ||
| Volumetric density | g/cm3 | 3.7 | 3.80-3.85 | 3.85 | 3.9 |
| Hardness | HRA≥ | 86 | 88 | 88 | 88 |
| Flexural Strength | Mpa≥ | 300 | 350 | 400 | 400 |
| Maximum temperature | ℃ | 1500 | 1500 | 1500 | 1500 |
| Line expansion coefficient | ×10-6/℃ | 7.5 | 8.2 | 8.2 | 8.2 |
| Dielectric constant | εr(20℃,1MHz) | 9 | 9.2 | 9.2 | 9.2 |
| Media loss | tanδ×10-4,1MHz | 3 | 2 | 2 | 2 |
| Volumetric resistivity | Ω·cm(20℃) | 1013 | 1014 | 1014 | 1014 |
| Breakdown strength | KV/mm,DC≥ | 20 | 20 | 20 | 20 |
| Acidic resistance | mg/cm2≤ | 0.7 | 0.7 | 0.7 | 0.7 |
| Alkaline resistance | mg/cm2≤ | 0.2 | 0.1 | 0.1 | 0.1 |
| Abrasion resistance | g/cm2≤ | 0.2 | 0.1 | 0.1 | 0.1 |
| Compressive strength | Mpa≥ | 2500 | 2500 | 2500 | 2800 |
| Flexural Strength | Mpa≥ | 200 | 350 | 350 | 350 |
| Thermalcoefficient | W/m·K(20℃) | 20 | 25 | 25 | 25 |
| Precision of manufacture | |
| Dimensional accuracy | Up to 0.001mm |
| Smoothness | Highest possible mirror |
| Concentricity | Up to 0.003mm |
| Parallelism | Up to 0.002mm |
| The inner hole tolerance | The minimum 0.005mm |
| Straight flute | The narrowest 0.1x100mm |
| The thickness of the size | Minimum to 0.02mm |
| The screw thread | Minimum internal thread M2 |
| Cylindricity | Up to 0.004mm |
| The linear tolerance | Up to 0.001mm |
| The smallest aperture | The minimum 0.07mm |
| Precision process | CNC maching,grinding,lapping |
| Surface finish | Glazed,polishing or metallized |
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Visual quality: 1. No cracks, no dark dots, no contamination and sharp edges; 2. Evenly distributed glaze with very smooth surface |
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| For more information about alumina ceramics parts,please contact our engineers in time >>> |
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Dongguan Mingrui Ceramic Technology Co., Ltd.
TEL：+8618122974730
MB：+86 181 2297 4730 Tel：+86 746 3386888
Skype：+86 181 2297 4730
Email：admin@cerampart.com
ADD：No. 21, Chuangxing Road, Shangsha Second Industrial Zone, Chang'an Town, Dongguan City
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