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01022
HaoRui
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Product Description
Alumina or aluminum oxide (Al2O3) is a major engineering material. It offers a combination of good mechanical properties and electrical properties. It is used more often than any other advanced ceramic material.
Alumina ceramics are commonly subdivided according to their alumina content ranging from 80% to more than 99%. Alumina can be produced in a range of purities with additives designed to enhance properties. Higher purity alumina demonstrates enhanced wear and corrosion resistance.
A wide variety of ceramic processing methods can be applied including machining or net shape forming to produce a wide variety of sizes and shapes of component. In addition, it can be readily joined to metals or other ceramics using metallising andbrazingtechniques.
Alumina based ceramics are by far the largest range of advanced ceramics made by HaoRui. Due to the important combination of properties, we have thoroughly researched the behaviour and characteristics of our alumina products to give you the best possible component.
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Comment & FAQ
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Company Profile
1）Shenzhen Haorui Industrial Technology Co., Ltd was established in June 2006, and it has specialized in the research & development, fabrication and sales of non-standard industrial ceramics, hard alloy (such as tungsten steels), metals and non-metal precision machinery parts for 20 years.
2）The company has a strong technical level in the processing and manufacturing of industrial ceramics (i.e. zirconia, alumina, silicon nitride, silicon carbide, aluminum nitride, etc.), hard alloys (such as tungsten steels,) non-standard precision parts. The company holds many leading technologies in this field. Moreover, the company has a group of professional technicians with strong technical development abilities and over 10 years working experiences.Most importantly, the company also has a complete production process and quality management system, as well as a complete set of precisely machining equipments and inspection facilities
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Certifications
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Data Sheet
| Property | Item | 95% Al2O3 | 99% Al2O3 | 99.8%Al2O3 | Unit |
| Mechanical Characteristics | Color | White | light yellow | Ivory | |
| Bulk Density | 3.7 | 3.85 | 3.93 | g/cm3 | |
| Water Absorption | 0 | 0 | 0 | % | |
| Bending Strength | 300 | 310 | 370 | MPa | |
| Compressive Trength | 2,300 | 2,400 | 2500 | MPa | |
| Elastic Modulus | 320 | 340 | 390 | GPa | |
| Fracture Toughness | 3~4 | 3~4 | 4 | MPa m1/2 | |
| Weber Coefficient | 12 | 12 | 12 | m | |
| Vickers Hardness | 1,400 | 1,600 | 1850 | HV 0.5 | |
| Thermal Characterics | Coefficient of Line Thermal Expansion | 7~8 | 7~8 | 7~8 | 10-6 K-1 |
| Thermal Conductivity | 20 | 29 | 32 | W/mK | |
| Thermal Shock Resistance (Put in Water) | 250 | 200 | 280 | ΔT °C | |
| Max Working Temperature | 1,500 | 1,600 | 1700 | °C | |
| Electrical Characteristics | Volume Resistance At 20°C | >1014 | >1014 | >1014 | Ωcm |
| Dielectric Strength | 15×106 | 15×106 | 15×106 | V/m | |
| Dielectric Constant | 9 | 10 | 10 | εr | |
| One MHZ Dielectric Loss Angle at 20°C | 0.0004 | 0.0002 | 0.0001 | tanδ | |
| Chemical Characteristics | Nitric Acid (60%) 90°C | 0.1 | 0.1 | 0.05 | 24H WT Loss mg/cm2 |
| Sulphuric Acid (95%) 95°C | 0.3 | 0.34 | 0.22 | ||
| Caustic Soda (30%) 80°C | 0.9 | 0.95 | 0.04 |
|
Product Description
Alumina or aluminum oxide (Al2O3) is a major engineering material. It offers a combination of good mechanical properties and electrical properties. It is used more often than any other advanced ceramic material.
Alumina ceramics are commonly subdivided according to their alumina content ranging from 80% to more than 99%. Alumina can be produced in a range of purities with additives designed to enhance properties. Higher purity alumina demonstrates enhanced wear and corrosion resistance.
A wide variety of ceramic processing methods can be applied including machining or net shape forming to produce a wide variety of sizes and shapes of component. In addition, it can be readily joined to metals or other ceramics using metallising andbrazingtechniques.
Alumina based ceramics are by far the largest range of advanced ceramics made by HaoRui. Due to the important combination of properties, we have thoroughly researched the behaviour and characteristics of our alumina products to give you the best possible component.
|
Comment & FAQ
|
Company Profile
1）Shenzhen Haorui Industrial Technology Co., Ltd was established in June 2006, and it has specialized in the research & development, fabrication and sales of non-standard industrial ceramics, hard alloy (such as tungsten steels), metals and non-metal precision machinery parts for 20 years.
2）The company has a strong technical level in the processing and manufacturing of industrial ceramics (i.e. zirconia, alumina, silicon nitride, silicon carbide, aluminum nitride, etc.), hard alloys (such as tungsten steels,) non-standard precision parts. The company holds many leading technologies in this field. Moreover, the company has a group of professional technicians with strong technical development abilities and over 10 years working experiences.Most importantly, the company also has a complete production process and quality management system, as well as a complete set of precisely machining equipments and inspection facilities
|
Certifications
|
Data Sheet
| Property | Item | 95% Al2O3 | 99% Al2O3 | 99.8%Al2O3 | Unit |
| Mechanical Characteristics | Color | White | light yellow | Ivory | |
| Bulk Density | 3.7 | 3.85 | 3.93 | g/cm3 | |
| Water Absorption | 0 | 0 | 0 | % | |
| Bending Strength | 300 | 310 | 370 | MPa | |
| Compressive Trength | 2,300 | 2,400 | 2500 | MPa | |
| Elastic Modulus | 320 | 340 | 390 | GPa | |
| Fracture Toughness | 3~4 | 3~4 | 4 | MPa m1/2 | |
| Weber Coefficient | 12 | 12 | 12 | m | |
| Vickers Hardness | 1,400 | 1,600 | 1850 | HV 0.5 | |
| Thermal Characterics | Coefficient of Line Thermal Expansion | 7~8 | 7~8 | 7~8 | 10-6 K-1 |
| Thermal Conductivity | 20 | 29 | 32 | W/mK | |
| Thermal Shock Resistance (Put in Water) | 250 | 200 | 280 | ΔT °C | |
| Max Working Temperature | 1,500 | 1,600 | 1700 | °C | |
| Electrical Characteristics | Volume Resistance At 20°C | >1014 | >1014 | >1014 | Ωcm |
| Dielectric Strength | 15×106 | 15×106 | 15×106 | V/m | |
| Dielectric Constant | 9 | 10 | 10 | εr | |
| One MHZ Dielectric Loss Angle at 20°C | 0.0004 | 0.0002 | 0.0001 | tanδ | |
| Chemical Characteristics | Nitric Acid (60%) 90°C | 0.1 | 0.1 | 0.05 | 24H WT Loss mg/cm2 |
| Sulphuric Acid (95%) 95°C | 0.3 | 0.34 | 0.22 | ||
| Caustic Soda (30%) 80°C | 0.9 | 0.95 | 0.04 |
