Aluminum Oxide Corundum Alumina Ceramic Tube
| US$1.00 - 50.00 | 1 Piece (MOQ) |
TANGSHAN CITY KESHUO SPECIAL CERAMICS MAKING CO., LTD.
Hebei, China
Last Login Date:
Aug 22, 2025
Main Products:
Industrial Ceramic, Advanced Ceramic, Alumina Ceramic, Ceramic Tube, Alumina Ceramic Tube, Zirconia Ceramic, Ceramic Crucible, Fire Assay Crucible, High Temperature Resistance Ceramic, Furnace Tube
Product Description
Company Info
Basic Info.
Product Description
| Product Name | High Purity Alumina Ceramic Electrode For Corona Machine |
| Material | 99.5% Alumina |
| Size | 15*15*2.5*2000mm |
| Forming Method | Slip Casting or Extrusion |
| 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. |
Ceramic electrode is used to deal with conductive materials (metal film, laser film, aluminum foil, aluminized film barcode label, metal material label, etc.) and insulating materials (PP, BOPP, LDPE, PET, PS, PC, etc.) special discharge rod for corona processor.
-Good electrical insulation properties
-High Temperature Resistant
-High mechanical strength
-Wear resistance, impact resistance
-No impurities, high density
-Good straightness, easy to install
| Size Specification | ||
| Square | One End Close | Open Both Ends |
| 15*15*2.5mm | OD16mm | OD16mm |
| 16*12*2.5mm | OD20mm | OD20mm |
| 16*16*2.5mm | OD25mm | OD25mm |
| ≤3000mm | ≤3000mm | ≤3000mm |
| Material | Alumina | Zirconia | Recrystallization Silicon carbide | Silicon Nitride bonded Silicon 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 |
| Compressive Strength (Typical 20ºC) | Mpa | 2300 | 2300 | 2210 | 1910 | 5700 | 600 | 650 |
| Coefficient of Thermal Expansion (25ºC to 800ºC) | 10-6/ºC | 7.6 | 7.6 | 7.6 | 7.6 | 10 | 4.7 | 5 |
| Dielectric Strength (5mm Thickness) | AC-kv/mm | 10 | 10 | 10 | 10 | -- | -- | -- |
| Dielectric Loss 25ºC@1MHz | -- | <0.0001 | <0.0001 | 0.0006 | 0.0004 | 0.001 | -- | -- |
| Dielectric Constant | 25ºC@1MHz | 9.8 | 9.7 | 9.5 | 9.2 | 29 | -- | -- |
| Volume Resistivity (20ºC) (300ºC) | Ω·cm³ | >1014 2*1012 | >1014 2*1012 | >1014 4*1011 | >1014 2*1011 | >1013 5*108 | -- | -- |
| Long-term operating temperature | ºC | 1700 | 1650 | 1600 | 1400 | 2200 | 1650 | 1450 |
| Thermal Conductivity (25ºC) | W/m·K | 35 | 35 | 34 | 20 | 3 | 23 | 15 |
Q1.Is it available to produce customized products?
A:We support custom-made alumina ceramic tubes as per different dimensions,designs, surface treatment
Q2.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.
