Categories | Alumina Ceramic Parts |
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Brand Name: | OEM |
Model Number: | Customized |
Certification: | ISO, ROHS, SGS |
Place of Origin: | Guangdong, China(mainland) |
MOQ: | 5 pcs |
Price: | Negotiable |
Payment Terms: | T/T, D/P, D/A, L/C, |
Supply Ability: | 5000 pcs per month |
Delivery Time: | 5 - 25 working days after order confirmed |
Packaging Details: | Wrapped in paper first individually, then packed in bubble bags, then put in standard export carton packing, or OEM packing. |
Product name: | Ceramic Spacer |
Material: | Zirconia / Alumina ceramic / Si3N4 |
Density: | 3.4 g / cm - 6.0 g / cm3 |
Size and Shape: | Customized |
Color: | White, Black, Blue or Ivory |
Diameter range: | 0.3mm - 220mm |
Length rangehardness: | 0.4mm - 500mm |
Max working temperature: | 1750℃ (Alumina), 1050℃ ( Zirconia) |
Application: | Wear resistant insulation ceramic spacers |
Type: | Ceramic Parts,Ceramic Rings |
Feature: | High Temperature Resistance,Insulation Performance,High Wear-resistance |
Usage: | Work as structure ceramic parts |
Size: | According to customer's drawing |
Shape: | Round |
Raw material: | Germany |
Advantage: | Long Service Life,Super Wear Resistant,Fast Delivery Date |
Package: | Carton |
Tolerance: | As customer's drawing |
Alumina content: | 95%-99% |
Surface: | Polishing Finish |
Advantages of Ceramic Products:
1. Refractory.
2. Self Lubricating
3. Long Service Life.
4. Good Polished Surface.
5. Environmental and Healthy.
6. Superior Mechanical Strength.
7. High Corrosion and Wear Resistance.
8. Good Insulation Performance Precision.
9. High Temperature and Pressure Resistance.
10. High Purity Zirconia and Alumina Ceramic Material.
Due to these outstanding properties, Ceramic Products are used in a wide range of industrial and advanced appications.
And a lot of practical applications prove that our ceramic products has reached a state of high standard and quality.
Properties | Units | 95 Alumina | 99 Alumina | Zirconia |
Density | g / cm3 | 3.65 | 3.92 | 5.95 - 6.0 |
Water Absorption | % | 0 | 0 | 0 |
Coefficient of Thermal Expansion | 10-6 / K | 7.9 | 8.5 | 10.5 |
Modulus of Elasticity Young’s Mod | Gpa | 280 | 340 | 210 |
Poisson’s Ratio | / | 0.21 | 0.22 | 0.3 |
HV Hardness | Mpa | 1400 | 1650 | 1300 - 1365 |
Flexural Strength @ Room Temperature | Mpa | 280 | 310 | 950 |
Flexural Strength @ 700℃ | Mpa | 220 | 230 | 210 |
Compressive Strength@Room Temperature | Mpa | 2000 | 2200 | 2000 |
Fracture Toughness | Mpa * m½ | 3.8 | 4.2 | 10 |
Heat Conductivity @ Room Temperature | W / m * k | 18 - 25 | 26 - 30 | 2.0 - 2.2 |
Electrical Resistivity @ Room Temperature | Ω*mm2 / m | >1015 | >1016 | >1015 |
Max Application Temperature | ℃ | 1500 | 1750 | 1050 |
Resistance to Acid Alkaline | / | High | High | High |
Dielectric Constant | / | 9.5 | 9.8 | 26 |
Dielectric Strength | KV / mm | 16 | 22 | / |
Thermal Shock Resistance | Δ T ( ℃ ) | 220 | 180 - 200 | 282 - 350 |
Tensile Strength @ 25℃ | Mpa | 200 | 248 | 252 |