95% al2o3 alumina ceramic sleeve tube bush
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- Supplier: Hunan Qing Ya Ceramic Co. Ltd.
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Product Overview
Description
95% al2o3 alumina ceramic sleeve tube bush
Material Introduction
Alumina, or Aluminum Oxide, is a durable fine industrial ceramic that is commonly used in a variety of processing applications. Grind sintered alumina ceramics only using a diamond tool. Alumina ceramic exhibits exceptional hardness and wear resistance, as well as low corrosion, excellent electrical insulation and bio-inertness. Alumina (Al2O3) is a very heat-stable ceramic material of excellent temperature stability.
√ High Voltage Insulator | √ High Purity, Max. 99.8% | √ Various Available Grades |
√ Hard and Wear Resistant | √ High Corrosion Resistance | √ High Mechanical Strength |
√ Good Thermal Conductivity | √ High Operating Temperature | √ Most Favorable Fine Ceramic |
Al2O3 ceramics with a purity of 95% to 99% are the most commonly used kind of technical ceramics. UNIPRETEC offers a variety of alumina ceramic shaping methods, including molded injection, die pressing, slip casting, extrusion, and cold isostatistically pressing.
Alumina is used in a wide spectrum of purity concentrations, ranging from ultrapure to added-substance grades. Although the purity of Al2O3 in finished products usually ranges between 90 and 99.8%, UNIPRETEC tends to work with materials with a purity of 95 to 99.8 percent.
Performance for Ceramic plate
| ITEM | UNIT | Alumina | A950 | Alumina | A990 |
| Main Content | - | 95% Al2O3 | 99% Al2O3 |
| Color | - | White / Pink | Ivory |
| Density | g/cm3 | 3.7 | 3.85 |
| Vickers Hardness | Gpa | 14 | 17 |
| Flexural Strength | Mpa | 310 | 360 |
| Compressive Strength | Mpa | 2,200 | 2500 |
| Electrical Resistivity | Ω·cm | >1014 | >1014 |
| Dielectric Strength | KV/mm | 15 | 17 |
| Dielectric Constant | 1 MHz | 8 | 9 |
| Thermal Conductivity | W/m.K | 25 | 29 |
| Max. Working Temperature | °C / °F | 1,500 / 2,730 | 1,650 / 3,000 |
| Resistance to Thermal Shock | T(°C) | 210 | 230 |
| Thermal Expansion Coefficient (25 - 1,000 °C) | 10-6/K | 7-9 | 7 - 9 |
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Certifications
FAQ
| Q1: Are you trading company or manufacturer ? |
| A: We are factory. |
| Q2: Do you provide samples ? |
| A: Yes, regular sizes are available in stock in free charge. |
| Q3. Can you produce according to the samples? ? |
| A: Yes, we can produce by your samples or technical drawings. We can build the molds |
| Q4. Do you test all your goods before delivery? |
| A: Yes, we have 100% test before delivery for 3times. |
| Q5. After-sales service |
| A: If you find any broken products in mass quantity, we will produce again or compensate money directly and offer discount in next order. |
| We can sign the quality agreement when order confirmation. So we must make sure quality for you. |
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