Polishing 99.5% Alumina Ceramic Sealing Ring
Alumina Ceramic parts has the advantage of high insulation, high strength, high corrosion resistance, and high wear resistance. it widely used in industry,medical, chemical etc area.
Items |
Unit |
95%Al2O3 |
99.5%Al2O3 |
Density |
g/cm3 |
3.7 |
3.9 |
Flexural Strength |
MPa |
313 |
340 |
Compressive Strength |
MPa |
3400 |
3600 |
Modulus of Elasticity |
GPa |
350 |
380 |
Impact Resistance |
MPa·m1/2 |
4 |
5.1 |
Weibull Modulus |
m |
10 |
10 |
Vickers Hardness |
HV0.5 |
1800 |
1900 |
Thermal Conductivity |
W/mk |
24 |
27 |
Highest Application Temperature |
°C |
1600 |
1750 |
Volume Resistivity at 20°C |
Ω.cm20 |
>1014 |
>1014 |
Dielertric strength |
KV/mm |
20 |
25 |
Thermal expansion |
X10-6/K |
5.0-8.3 |
5.4-8.3 |

- Ceramic shaft for different aquatic pump.
- Ceramic plunger for high pressure cleaner.
- Wearlessness,resistant acid-base and high intensity ceramic assembly apply to petroleum chemical and chemical industry.
- Wearlesness, corrosion resistance, thermostable parts apply to precision machine.
Shaped as customers' requirement and drawing.If you are interested in our products, please don't hesitate to contact with us,we will reply to you at the first time and provide our the best price,the highest quality,the fastest delivery and the best professional service to you.
Suzhou Everbest engineering ceramic Co.,LTD is specialized in designing and manufacturing structure cereamic products and related parts.which has more than 15years experience in ceramic field.
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