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| Categories | Alumina Ceramic | 
|---|---|
| Place of Origin: | Made In China,Zhejiang,Jinhua | 
| Brand Name: | Dayoo | 
| MOQ: | Negotiate | 
| Price: | Negotiate | 
| Delivery Time: | Negotiable | 
| Payment Terms: | Negotiable | 
| Thermal Shock Resistance: | Excellent | 
| Wear Resistance: | Very High | 
| Low Thermal Expansion: | Excellent | 
| Volume Resistivity: | 10^14 Ω·cm | 
| High Purity: | 99.5% or higher | 
| Manufacturing Method: | Dry Pressing or Isostatic Pressing | 
| Electrical Insulation: | High | 
| Size: | customized | 
| Thermal Conductivity: | 35 W/mK | 
| Dielectric Loss: | 0.0002 | 
| Flexural Strength: | 350 MPa | 
| Corrosion Resistance: | Excellent | 
| Elastic Modulus: | 380 GPa | 
| Hardness: | 9 on the Mohs scale | 
| Packaging Details: | Carton | 
| Company Info. | 
| Dayoo Advanced Ceramic Co.,Ltd | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
Precision-Engineered Alumina Ceramic Valve Core Washers For High-Temperature And High-Performance Applications
Alumina ceramic valve core washers are high-performance sealing components precision-engineered from high-purity alumina (Al₂O₃ content ≥95%). Specifically designed for demanding valve systems in harsh operating conditions, these washers feature exceptional hardness (Hv≥1500) and outstanding wear resistance, significantly extending valve service life while ensuring reliable sealing performance. Widely used in petroleum, power generation, semiconductor, and other high-demand industrial applications.
Petrochemical Industry: High-temperature valves in refining units, inlet/outlet valves for hydrogenation reactors
Power Systems: Boiler feedwater control valves, steam regulating valves
Semiconductor Manufacturing: High-purity gas delivery system valves
Water Treatment: High-pressure reverse osmosis control valves
Medical Equipment: Sterile fluid control systems
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 Alumina Ceramic Insulation Seals: Ideal Choice For High-Performance Industrial Applications
                                                                                    
                        
                        
                        
                                                            Alumina Ceramic Insulation Seals: Ideal Choice For High-Performance Industrial Applications
                                                    
                        
                     Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And Semiconductors
                                                                                    
                        
                        
                        
                                                            Dense And Non-Porous Alumina Ceramic Ring Component For Electronics And Semiconductors
                                                    
                        
                     Hardness HRA90-92 Alumina Ceramic Ring
                                                                                    
                        
                        
                        
                                                            Hardness HRA90-92 Alumina Ceramic Ring
                                                    
                        
                     Wear-Resistant Alumina Ceramic With High Flexural Strength And Low Thermal Expansion Coefficient
                                                                                    
                        
                        
                        
                                                            Wear-Resistant Alumina Ceramic With High Flexural Strength And Low Thermal Expansion Coefficient
                                                    
                        
                     Alumina Ceramic Components For Thermocouple Protection Tubes And High-Temperature Furnace Plates In Industrial Heating
                                                                                    
                        
                        
                        
                                                            Alumina Ceramic Components For Thermocouple Protection Tubes And High-Temperature Furnace Plates In Industrial Heating
                                                    
                        
                     Ultra-Precision Alumina Ceramic Parts For Precision Instruments Semiconductor Equipment And Medical Devices
                                                                                    
                        
                        
                        
                                                            Ultra-Precision Alumina Ceramic Parts For Precision Instruments Semiconductor Equipment And Medical Devices
                                                    
                        
                     High Thermal Conductivity Superior Insulation Low Thermal Expansion High-Temperature Resistance Exceptional Flatness
                                                                                    
                        
                        
                        
                                                            High Thermal Conductivity Superior Insulation Low Thermal Expansion High-Temperature Resistance Exceptional Flatness
                                                    
                        
                     High-Power Electronic Devices Alumina Ceramic Substrates With Heat Dissipation And Superior Insulation
                                                                                    
                        
                        
                        
                                                            High-Power Electronic Devices Alumina Ceramic Substrates With Heat Dissipation And Superior Insulation
                                                    
                        
                     High-Temperature And Corrosion-Resistant Alumina Ceramic The Best Solution For Extreme Conditions
                                                                                    
                        
                        
                        
                                                            High-Temperature And Corrosion-Resistant Alumina Ceramic The Best Solution For Extreme Conditions
                                                    
                        
                     High-Performance Alumina Ceramics Leading The Way In Advanced Manufacturing
                                                                                    
                        
                        
                        
                                                            High-Performance Alumina Ceramics Leading The Way In Advanced Manufacturing