Français
Deutsch
Español
Italiano
Português
日本語
한국어
Русский
Wear-Resistant 99% Alumina Ceramic Center Rod
Basic Info
| Model NO. | Customized |
| Density | Over 3.7g/cm3 |
| Long-Term Operating Temperature | 1600 |
| Hardness | 9 |
| Water Absorption | 0 |
| Transport Package | Export Wooden Case |
| Specification | Customized according to customer requirements |
| Trademark | KESHUO |
| Origin | China |
Product Description
| Product Name | 99%/99.5% Alumina Ceramic Rod |
| Material | 99%-99.5% Alumina |
| Size | φ10*1000 |
| Forming Method | Extusion |
| Payment | T/T |
| Transport | Air Transportation;Sea Transportation |
| Delivery Time | Stock Products:3-7 days after receiving payment.Production Products:35-45 days after receiving payment. |
Material Introdution
Alumina/Aluminium Oxide/Al2O3 is a major engineering ceramic material. It offers a combination of good mechanical properties and electrical properties leading to a wide range of applications. Aluminum Oxide Ceramic can be produced in a range of purities with additives designed to enhance properties. 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.
Advantage
-High Hardness-Low Coefficient of Thermal Expansion-Excellent Electrical Insulator-Mechanically Stable at High Temperature -Good Thermal Shock Resistance-High density, non-porous and vacuum tight-Resists Abrasive Wear and Chemical Attack
Size Specification:
OD:0.4mm-50mmLength:≤3000mm
Product Parameters
Material Comparison Chart
| Material | Alumina | Zirconia | RecrystallizationSilicon carbide | Silicon Nitride bondedSilicon Carbide | ||||
| Properties | Units | AL997 | AL995 | AL99 | AL95 | Zro2 | RSiC | NSiC |
| %Alumina | -- | 99.70% | 99.50% | 99.00% | 95% | -- | -- | -- |
| Color | -- | lvory | lvory | lvory | lvory&White | lvory White | black | gray |
| Permeability | -- | Gas-tight | Gas-tight | Gas-tight | Gas-tight | Gas-tight | -- | -- |
| Density | g/cm³ | 3.94 | 3.9 | 3.8 | 3.75 | 5.89 | 2.7 | 2.8 |
| Straightness | -- | 1‰ | 1‰ | 1‰ | 1‰ | 1‰ | 1‰ | 1‰ |
| Hardness | Mohs Scale | 9 | 9 | 9 | 8.8 | 8.5 | 9.5 | 9 |
| Water Absorption | -- | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | 0 | 0 | 0 |
| Flexural Strength(Typical 20ºC) | Mpa | 375 | 370 | 340 | 304 | 1200 | 90 | 180 |
| CompressiveStrength(Typical 20ºC) | Mpa | 2300 | 2300 | 2210 | 1910 | 5700 | 600 | 650 |
| Coefficient ofThermalExpansion(25ºC to 800ºC) | 10-6/ºC | 7.6 | 7.6 | 7.6 | 7.6 | 10 | 4.7 | 5 |
| DielectricStrength(5mm Thickness) | AC-kv/mm | 10 | 10 | 10 | 10 | -- | -- | -- |
| Dielectric Loss25º[email protected] | -- | <0.0001 | <0.0001 | 0.0006 | 0.0004 | 0.001 | -- | -- |
| DielectricConstant | 25º[email protected] | 9.8 | 9.7 | 9.5 | 9.2 | 29 | -- | -- |
| VolumeResistivity(20ºC)(300ºC) | Ω·cm³ | >10142*1012 | >10142*1012 | >10144*1011 | >10142*1011 | >10135*108 | -- | -- |
| Long-termoperatingtemperature | ºC | 1700 | 1650 | 1600 | 1400 | 2200 | 1650 | 1450 |
| ThermalConductivity(25ºC) | W/m·K | 35 | 35 | 34 | 20 | 3 | 23 | 15 |
Why choose us?
Certifications
FAQ
Q1.Is it available to produce customized products?
A:We support custom-made alumina ceramic tubes as per different dimensions,designs, surface treatmentQ2.When can I get the price after sending the inquiry?
A:We regularly quote within 24 hours after we get your inquiry.lf you are in urgent need of getting the price, Please call us or tell us in your email so that we will proceed with your inquiry as a priority.Q3.How long does the whole procedure being worked out?
A:After you place an order, the manufacturing time is about 25 working days.Q4.How to ensure quality in your factory?
A:The strict quality-control will be done in the production line,including IQC,IPQC,QA,OQC, Also both CKP, AQL are regularly used in production.Q5. Are you a factory or trading company?
A:We are a professional manufacturer. You are welcome to visit our factory and cooperate with us.