• Product Details

Product Introduction

alumina ceramic plungers are used in various industries, such as in the manufacturing of pumps, industrial machinery, and hydraulic systems. They are designed to withstand harsh operating conditions and provide reliable performance over an extended period.

The alumina ceramic material used in these plungers helps to minimize wear and extend the lifespan of the plungers, making them a cost-effective solution for applications that require durability and resistance to abrasion.

Overall, alumina ceramic plungers offer excellent performance in challenging environments and are valued for their reliability and longevity.

An alumina ceramic sleeve is a cylindrical component made from alumina ceramic material. Alumina ceramic, or aluminum oxide, is a high-performance ceramic known for its exceptional hardness, wear resistance, and thermal properties. Alumina ceramic sleeves are commonly used in various industrial applications where high mechanical strength and chemical stability are required.

alumina ceramic sleeves are often utilized in equipment such as pumps, valves, bearings, and seals, where they provide protection against abrasion, corrosion, and extreme temperatures. The excellent thermal conductivity of alumina ceramic helps in dissipating heat efficiently, making it suitable for use in high-temperature environments.

Alumina ceramic sleeves are also known for their dimensional stability and resistance to wear, making them a reliable choice for applications that involve sliding or rotating movements. They are used in industries such as automotive, aerospace, semiconductor, and oil and gas, where precision and durability are critical.

Overall, alumina ceramic sleeves offer superior performance in demanding conditions and contribute to the efficiency and longevity of various industrial systems.

Performance For Industrial Ceramic

 ItemUnitSteatite Ceramic95Al2O399Al2O399.7Al2O3

Physical Characteristics

Bulk densityg/cm32.
Water absorption%0000

Mechanical Characteristics

Flexural strengthMpa145320340350
Hardness VickersGpa5.712.213.514
Elastic modulusGpa120280320320
Poisson’s ratio-

Thermal Characteristics

Linear expansion coefficient(20-500 C) 10-6/ C7.
Thermal conductivityw/(m.k)2.5162428
Specific Heat*10-3J/(kg*K)0.750.780.78

Electrical Characteristics

Dielectric constant(1MHZ)-
Dielectric loss angle*10-4181550.0001
Dielectric strength*106V/m1812158.7

Application :

Widely used in lamps and lanterns, electronic appliances, blast nozzle, auto parts, wear-resistant parts of insulating material, etc


We can do OEM and OBM according to your drawing and requires

Product Details

Factory Pictures
Company Advantages
Philosophy:With excellent quality, firt-class service, honest business
Group:We have our own team to research, design, produce and sell.
History:We are a company combined with R&D, production and sales wholly,
Packing:Packing in export wooden cases is strictly adopted
Why us?
* Professional manufacturer since 1997.
* Strict quality control on production process and tolerance.
* Free samples available
* Customized production based on your drawing or specification
* On-time delivery and reliable support and service
* Inventory available for quick shipment
* We keep confidentiality of all the drawings and business information between us.
Are you a trading company or a manufacturer?
* We are a manufaturer. 
Can you provide the free samples?
* Yes,we can offer free sample if we have it in stock,but the courier fee is to be collected.
Do you accept customized production based our specification?
* Yes,we offer OEM and ODM service. Just send us your drawing if you have it. If you don’t have a drawing, just tell us your idea, we will work out the drawing for you.
What's the delivery time?
* 7 working days for standard products 30 days for customized product.

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The first thing we do is meeting with our clients and talk through their goals on a future project.
During this meeting, feel free to communicate your ideas and ask lots of questions.
    They are all manufactured according to the strictest international standards. Our products have received favor from both domestic and foreign markets.
    They are now widely exporting to 200 countries.

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