High Precision Al2o3 Oxide Ceramic Valve Metalized Alumina Ceramic Metal Parts Alumina (Al₂O₃) Ceramic Plunger: Alumina (Al₂O₃) ceramic plungers are customized precision components for special corrosive working conditions in the chemical industry. According to the characteristics of specific chemical media (such as fluorine-containing chemicals, strong oxidants) and working parameters, these plungers are optimized in material formula and structural design, achieving targeted corrosion resistance. With excellent dimensional accuracy and assembly compatibility, they outperform general-purpose corrosion-resistant components in special chemical processes, providing reliable core support for the stable operation of customized chemical equipment.  
Application Alumina ceramic tubes of application: 1. Industrial Furnaces: Thermocouple protection tubes, furnace tubes, inspection tubes, rollers. 2. Semiconductor & Electronics:Diffusion furnace tubes, insulating sleeves, vacuum chamber components. 3. Mechanical & Wear Parts: Wear-resistant linings, guide tubes, nozzles, sealing rings. 4. Energy & Environmental: Fuel cell components, sensor protection tubes, sampling tubes. 5. Laboratory:Tube furnace tubes, laboratory glassware. | | | | | | | | | | | | Thermal Conductivity @ 20°C | | | | | Thermal Expansion a at 20–400°C | | | | | | | | | | | | | | | | | | Properties | Unit | 95%Al2O3 | 99%Al2O3 | 99.5%Al2O3 | | Dielectric Constant | 1MHz | 9.4 | 9.9 | 9.9 | | Dielectric Strength | V/m | 15 x 10 6 | 15 x 10 6 | 15 x 10 6 | | Dielectric Loss | 1MHz | 4 x 10 -4 | 4 x 10 -4 | 4 x 10 -4 | | Volume Resistivity @ 25°C | Ω・cm | >10 14 | >10 14 | >10 14 | | Volume Resistivity @ 500°C | Ω・cm | >10 8 | >10 8 | >10 10 | Various Types of Alumina Ceramic piston We Can Do OEM and 0BM According to Your Drawing and Requirements. Features of alumina ceramic * Relatively low density;
* Extremely high operating temperature;
* Very high hardness and compressive strength;
* Excellent electrical insulation properties;
* Corrosion and wear resistance;
* Biologically inert, food compatibility. Alumina Ceramic Properties The following only lists the performance parameters of the three most common aluminum oxide ceramics. Normally, alumina ceramics are composed of these types Packing Sintering Kiln Q1. Do you provide product samples? Yes, we provide samples subject to availability. A nominal sample fee may apply in some cases, and shipping costs are borne by the customer. Q2. What are your accepted payment methods? We accept T/T (bank transfer) in advance, Western Union, Alipay, and PayPal. Q3. What is your typical delivery lead time? Lead times vary depending on product requirements, including material selection, dimensions, and specific manufacturing processes. Q4. Do you perform quality inspection before shipment? Yes, we conduct 100% inspection of all goods prior to delivery to ensure they meet specified standards. Q5. What other ceramic materials do you offer? We supply a range of advanced ceramic materials, including Alumina, Zirconia, Aluminum Nitride,Boron Nitride, Silicon Nitride, Machinable Glass Ceramic, and related specialized ceramics. |
