Wear Resistant 99% Alumina Ceramic Pistons for High Pressure Pumps Hydraulic Pumps
Ceramic pump components include Alumina ceramic pistons, Alumina ceramic plungers, wear plates, bushes, liners and sleeves and
mechanical and chemical seal rings. The material is such as super pure Alumina, Zirconia, etc.
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Alumina ceramic piston are typically used in jet pumps, water jetting pumps, high pressure pumps and high pressure water supply pumps, which find tremendous applications in industries including automobiles, chemical
and petrochemicals, foundries, oil refineries, paper and pulp manufacture, cement manufacturing, food
processing, thermal power plants and steel plants etc.
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Alumina ceramic piston is kind of structural ceramics, with insulation resistance, voltage resistance, high strength, good thermal conductivity, dielectric loss, stable electrical performance characteristics. Used in electronic ceramic substrates, ceramic electrical insulation, vacuum devices, devices porcelain, spark plugs and other products. We can make the part by hot injection pressing, dry pressing, isostatic pressing and extrusion productive technology etc
Properties |
Units |
Alumina(Al2O3) |
|
Al2O3 92% |
Al2O3
95% |
Al2O3 99% |
Al2O3 99.5% |
|
| |
Mechanical |
Density |
g/cm3 |
3.6 |
3.7 |
3.9 |
3.9 |
|
Color |
-- |
White |
White |
Ivory |
Ivory |
|
Water Absorption |
% |
0 |
0 |
0 |
0 |
|
Vickers Hardness |
Gpa |
11 |
11.5 |
13 |
14 |
|
Flexural Strength (20°C) |
Mpa |
345 |
358 |
380 |
380 |
|
Compressive Strength (20°C) |
Mpa |
2200 |
2300 |
3000 |
3000 |
|
Thermal |
Thermal Conductivity (20°C) |
W/m.K |
16.7 |
24.8 |
25~35 |
25~35 |
|
Thermal Shock Resistance (20°C) |
ΔT(C) |
250 |
250 |
200 |
200 |
|
Maximum Use Temperature |
°C |
1500 |
1600 |
1700 |
1700 |
|
Electrical |
Volume Resistivity (25°C) |
Ω.cm |
>1014 |
>1014 |
>1014 |
>1014 |
|
| Item |
|
Unit |
Zirconia |
| Physical Characteristics |
Heat resistance |
0C |
2200 |
| Bulk density |
g/cm3 |
6.05 |
| Waterabsorption |
% |
0 |
| Flexural strength |
Mpa |
1000 |
| Mechanical Characteristics |
Hardness vickers |
Gpa |
89 |
| Elastic modulus |
Gpa |
200 |
| Poisson’s ratio |
|
0.31 |
| Thermal Characteristics |
Linear expansion coefficient |
(20-5000C) 10-6/0C |
10 |
| Thermal conductivity |
w/(m.k) |
2.5 |
| Specific Heat |
*10-3J/(kg*K) |
0.5 |
| Electrical Characteristics |
Dielectric constant (1MHZ) |
- |
N.A. |
| Dielectric loss angle |
*10-4 |
N.A. |
| Dielectric strength |
*106V/m |
N.A.
|
Alumina ceramic piston (also can be called al2o3 , alumina oxide ceramic) has high toughness,high fracture resistant,good chemical resistance,high bending strength,high wear resistance,the coefficient of thermal expansion is close to steel,it is widely used in structure ceramicareas.
Alumina ceramic piston has a wide application due to its versatility and low material cost. zirconia possesses a high melting point, strong hardness, and good chemical stability, making it a good material to withstand high temperature and chemical corrosion. Alumina ceramic piston are available in different dimensions and thicknesses. Call for custom shapes and sizes.
Alumina ceramic piston Specifications
zirconia ceramic plate/tile
alumina purity alumina 99.7% 99.5% 99% al2o3 ceramic piston
Very small and very large size
High temperature,good abrasaive
Alumian ceramic piston Specifications
1.Alumina ceramic piston
2. Very small and very large size can be made.
3. High temperature, good abrasive.
Refractory alumina ceramic piston is our main product.Misson can supply high quality alumina plates with competitive prices.
Very small and very large sized plates can be made.
Fine grinding can made tight tolerance.
High temperature and abrasive resistance is good
Alumina ceramic piston features :
1. High hardness.
2. High heat resistance : Alumina ceramic piston has excellent thermal stability,which means that it is
widely used in areas where resistance to high temperatures is essential.
3. Good wear resistance : Alumina ceramic is the material of choice for alumina wear parts.
4. High electrical resistivity : Alumina is an electrically insulating material.
5. High corrosion resistance : It is insoluble in water and only slightly soluble in strong acid and
alkaline solutions. Good chemical stability of alumina leads to high corrosion resistance.
Quality assurance:
1. High heat resistance : Alumina ceramic has excellent thermal stability,which means that it is widely used in areas where resistance to high temperatures is essential.
2. Good wear resistance : Alumina eramic is the material of choice for wear parts.
3. High corrosion resistance : It is insoluble in water and only slightly soluble in strong acid and alkaline solutions. Good chemical stability of alumina leads to high corrosion resistance.
Alumina ceramic piston is the most mature of the engineering ceramics, offering excellent electrical insulation properties together with high hardness and good wear resistance,but relatively low strength and fracture toughness.Alumina ceramic piston are generally white but may also be pink or ivory.The color is derived from either the sintering additives or impurities in the raw materials.
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 |
More photos of ceramic sleeve bushing :
Delivery:
Custom OEM will be shipped within 15 days after determining the parameters
The samples will be shipped within 3 days
Quick Delivery Via Fedex,DHL,UPS,TNT Etc.
Support customer to designate shipping company
For more informations (the price,delivery time,moq etc)about the ceramic plates, please contact us or email:admin@cerampart.com
CEO: Admin deng
Dongguan Mingrui Ceramic Tech. Co. Ltd.
Add: No.21 Chuangxing Rd., 2nd Industrial Zone of Shangsha,
Chang'an town, Dongguan city, Guangdong, China 523867
Email: admin@cerampart.com
FAQ
1. Monthly Capacity: 50,000-60,000 pcs;
2. Material: OEM or as per your suggestion;
3. Lead time: about 7-20 days, pls confirm the quantities required;
4. Incoterm: FOB, CFR, CIF;
5. Delivery Cost: It is determinated by the destination port;
6. Payment Term: PayPal; T/T; L/C.
7. Shipment: by sea, by air, by courier, by post, etc.
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