Alumina Zirconia Ceramic Sleeve Bushings Ceramic Cylinders
Alumina Ceramic Bushing Sleeves Properties:
- High hardness
- Wear & abrasion resistant
- High compressive strength
- High mechanical Strength
- Resists strong acid and alkali attack at high temperatures
- Excellent electrical insulation properties
- High thermal conductivity
- Excellent refractory material
- Very specific thermal conductive and thermal expansion rates
- Low density
- Resistant to thermal shock
- High dielectric strength
- Transparent to microwave radio frequencies
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Zirconia ceramic are used in shaft , plunger, sealing structure, auto mobile Industrial, oil drilling equipment, Insulation parts in electrical equipment , ceramic knife, ceramic hair clipper spare parts, with high density, bending strength and breaking tenacity.
We can supply the products according to customer's drawings, samples and performance requirement.
precison ceramic, precision ziconia ceramic, zirconia, ceramic part, ceramic structure, zirconia ceramic shaft sleeve pipe roller tube, zirconia ceramic shaft piston and gear, Zirconia ceramic rod, machinable ceramic rod for industry
| Product Name | Alumina Zirconia Ceramic Sleeve Bushings Ceramic Cylinders |
| Material | Alumina |
| Color | White |
| Size | According to drawings |
| Surface Roughness | Ra 0.05 |
| Tolerance | +/-0.001 |
| Type | Full Ceramic, Ceramic+Steel |
| Lead time | 15 - 20days |
| Samples | Avaliable |
| Shipping | Air Express (DHL/UPS/TNT/ FedEx) or Ocean Shipping |
Properties of Alumina and Zirconia Ceramic :
| Properties | Units | 95 Alumina | 99 Alumina | ZrO2 |
| Density | g / cm³ | 3.65 | 3.92 | 5.95-6.0g/cm³ |
| 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 HV | MPa | 1400 | 1650 | 1300-1365 |
| Flexural Strength @ room temperature | MPa | 280 | 310 | 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 | 4.2 | 10 |
| Heat conductivity @ room temperature | W/ m*k | 18-25 | 26-30 | 2-2.2 |
| Electrical Resistivity @ room temperature | Ω*mm2 /m | >1015 | >1016 | >1015 |
| Max use temperature | °C | 1500 | 1750 | 1050 |
| Resistance to acid alkaline | / | high | high | high |
| Dielectric Constant | / | 9.5 | 9.8 | 26 |
| Dielectric Strength | KV/mm | 16 | 22 | / |
| Thermol Shock Resistance | △ T ( °C ) | 220 | 180-200 | 280-350 |
| Tensile Strength @ 25 °C | MPa | 200 | 248 | 252 |
Company Introduction:
We ( Dongguan Mingrui Ceramic Technology Co., Ltd ) are a professional manufacturer specialized
in R&D, manufacturing and selling customized all kinds of high precision zirconia and alumina ceramic parts . Our main products include ceramic rod , ceramic tube, ceramic plunger, ceramic valve, ceramic plate, ceramic shaft and bearing , ceramic nozzle etc , which are mainly used in industrial fields of Machinery, Petrochemical oil and gas, Valves, Automotive, Food Processing, Fluid Handling, Process Control, Thermal Processing, Aerospace, Defense, Eletronic and Electrical, Textile, Mechanical, Engineering, Mineral Processing, etc.
We have a full service include mold design and development , ceramic forming , precision machining
and precision detection technology. We have achieved great successes in particular requirements
which is based on cooperating with Tsinghua University and getting rich experience by our professional technical engineer teams . Our factory have an unique technical called mirror polishing which improve
our products more smooth , bright than other competitors.
FAQ :
1. Are you a manufacturer ?
Yes we are a ceramic manufacturer . We proceed with the whole process start from Powder material to forming , sintering , machining, marking , inspection , packing , we do the whole process .
2. What kind of industry ceramics do you have ?
We specialized in 95% 97% 99% alumina ceramic and zirconia ceramic parts .
3. What kind of molding method do can you supply ?
Dry Pressing , isostatic pressing , grouting , hot-chamber die casting , tape casting , injection molding, etc, injection molding and isostatic molding is the most commonly used.
4.What stabilizer do you use when processing ?
Yttria stabilizer is the most commonly used in our industrial ceramic parts.
5.Can you produce free samples for me ?
Yes usually , we can produce free samples for you but it is up to the product complexity .
6.What terms can you accept for payment ?
T/T, L/C , Western union , Money Gram and Paypal is welcome , but paypal and western union only for small -sum payment.
