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Model No. : | MRT-236 |
---|---|
Brand Name : | OEM |
Certification : | ISO |
Product description
Alumina Insulation Ring is the best-known advanced ceramic material, is widely used in automotive, petro-chemical, fluid control,materialtransfer,Industry,electrical and electronic,semiconductor.Sapphire is single-crystal alumina.
Mingrui Ceramic is making high quality ceramic products.
Alumina ring is our main product. It`s mainly made by 95% and 99.7% Al2O3. Density from 3.6g/cm3 to 3.9g/cm3 .
We have the ability to machine the alumina ring, Tolerance can reach to +/-0.02mm after machining. Surface roughness can reach to Ra0.2um. Holes and grooves can be machined as you need.
Very big sized and small sized rings can be made according to your need.
Type: Alumina Ceramic Rings
Application: Structure Ceramic
Material: Alumina Ceramic
Model Number: CUSTOMIZED
Color: White & Ivory
Purity: 95% - 99.9% Al2O3
Properties Sheet:
The products are made of high purity Zirconia ceramics (Zro₂) and Alumina Ceramics (Al₂O₃) material, which have
advanced and excellent performances, fabulously popular .
Properties |
Units |
95 Alumina |
99 Alumina |
ZrO2 |
Density |
g / cm³ |
3.65 |
3.9 | 5.95-6.05 |
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 | 0.23 | 0.3 |
HV Hardness |
MPa |
1400 | 1700 | 1300-1365 |
Flexural Strength @ room temperature |
MPa |
280 | 320 | 950 |
Flexural Strength @700°C |
MPa |
220 | 230 | 210 |
Compressive Strength @ room temperature |
MPa |
2000 | 2200 | 2000 |
Fracture Toughness |
MPa *m 1/2 |
3.8 | 4.3 | 10 |
Heat conductivity @ room temperature |
W/ m*k |
18-25 |
26-30 |
2-2.2 |
Electrical Resistivity @ room temperature |
Ω*mm2 /m |
10^15 |
10^16 |
10^15 |
Max use temperature |
°C |
1850 | 2200 | 1500 |
Resistance to acid alkaline |
/ |
high |
high |
high |
Dielectric Constant |
/ |
9.5 | 9.8 | 26 |
Dielectric Strength |
KV/mm |
10 | 10 | 10 |
Thermol Shock Resistance |
△ T ( °C ) |
220 | 190 | 280-350 |
Tensile Strength @ 25 °C |
MPa |
200 | 248 | 260 |
Thermal Conductivity(25℃) |
W/m·K |
30 | 35 | 3 |
Detailed Images:
Advantages of zirconia ceramic shaft sealing ring:
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.
One-stop production, from the raw material (powder) to final products, control the quality strickly of every production link.
Packaging and Shipping:
Wear resistant ceramic ring will be packed in a bubble bag individually, then put in standard export carton packing,
or OEM packing.
Shipped by Express ( DHL, TNT, UPS, Fedex, EMS ), Air, or Sea transportation.
Company information:
Mingrui has professional OEM experience in manufacturing industrial ceramic parts for so many years. And
very advanced technologies in the production of Zirconia Ceramic Rod and Alumina Ceramic Rod, Zirconia
Ceramic Ring and Alumina Ceramic Ring , Zirconia Ceramic Tube and Alumina Ceramic Tube, Ceramic
Pin, Ceramic Shaft, Ceramic Plate And Block, Ceramic Sleeve, Ceramic Injector Nozzle, Ceramic
Dispensing Valve, Ceramic Injection Pump, Ceramic Plunger Pump, Ceramic Piston, Ceramic Stick ,
Ceramic Washer, and Semiconductor Industry Ceramics, Machinable Ceramic Part, Ceramic Electronics
Accessories, etc..
They are applicable to Electrical, Appliance, Mining, Oil & Gas, Energy & Power, Food & Medical, Agriculture, Aerospace,
even other high-end fields.
We can make the product according to your drawings, custom the size, shape, color and thickness etc..
Our products with some certificates, such as SGS, CE, TUV, etc..
To find our more, pls contact us right now without hesitating!
Workshop overview:
We have almost all the precision processing machines of ceramic products.
Send your inquiry to this supplier