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Wear Proof Cylinder φ25mm 70mm Ceramic Plunger

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Wear Proof Cylinder φ25mm 70mm Ceramic Plunger

Brand Name : Suzhou Jingci

Model Number : ceramic coating pistons

Certification : REACH Certificate; ISO9001-2015

Place of Origin : Suzhou, China

MOQ : Negotiation

Price : Negotiable

Payment Terms : T/T, L/C, D/A, D/P, Western Union

Supply Ability : 20000pcs per 30 days

Delivery Time : 5-8 work days

Packaging Details : Carton box&plastic bag 210mm*200mm*103mm

Name : ceramic coating pistons

Feature : Wear Proof

Density : 3.9 g/cm3

Size : Φ25mm 70mm

Water Absorption : 0%

Vickers Hardness : 13Gpa

Flexural Strength (20°C) : 380Mpa

Compressive Strength (20°C) : 3000Mpa

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99% Al2O3 Ceramic Plunger φ25mmxL70mm Piston High Pressure Pump Component


Ceramic, a non-organic material with much higher hardness than metallic parts, is a major engineering material. It offers a combination of good mechanical properties and electrical properties leading to a wide range of applications.

Aluminum Oxide, Al2O3 has an outstanding properties like superior mechanical strength, Vickers hardness, compressive strength, fracture toughness. Accordingly, it is wear resistant, and corrosion resistant. Because of it is a metallic oxide with well-formed crystal structure, the parts made from it have good performance of corrosion resistance, are insoluble in weak acid or alkaline solution, let alone normal water or medical fluid. The ceramic alumina parts are only slightly soluble in strong acid and alkaline solution.

One of ceramics is technical ceramics, which offers a good solution for demanding pumps. Alumina is the most commonly used ceramic material for pump components due to its low cost, excellent properties and long service longevity. Ceramic plungers or ceramic pistons are one kind of those pump components.

Alumina ceramic plungers, are formed by isostatic pressing or dry pressing technology. Grinding and polishing provide a uniform surface. Through long operation, there is no leakage or just low leakage because of the high wear resistance of alumina ceramics.

Usually alumina ceramic plungers use alumina material with purity 99%, whose performance and economic efficiency have been proven in application.


PropertiesUnitsAl2O3 99%
Color--Ivory or white
Water Absorption%0
Vickers HardnessGpa13
Flexural Strength (20°C)Mpa380
Compressive Strength (20°C)Mpa3000
ThermalThermal Conductivity (20°C)W/m.K25~35
Thermal Shock Resistance (20°C)ΔT(C)200
Maximum Use Temperature°C1700
ElectricalVolume Resistivity (25°C)Ω.cm>1014

About us

Suzhou Jingci Super Hard Materials Co., Ltd, (whose website is specializes in plunger/piston production for more than 18 years and has rich experience in designing and developing technical ceramic solutions for a wide variety of applications. Now, Jingci has been an outstanding supplier of ceramic parts for famous international companies like Karcher, AR Pumps, Leuco S.p.A, as well as other foreign pump manufacturers.

Product Tags:

70mm Ceramic Plunger


Φ25mm Ceramic Plunger


70mm ceramic coating pistons

China Wear Proof Cylinder φ25mm 70mm Ceramic Plunger factory

Wear Proof Cylinder φ25mm 70mm Ceramic Plunger Images

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