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High-Purity Alumina Ceramic Disc for 1/2–3/4Brass Tap Cartridges and Valves –

Wear Resistant

 

AttributesDetails
MaterialAlumina Ceramic (Alumina ceramics,95%–99%)
Place of OriginGuangdong, الصين
TypeCeramic Parts
ApplicationIndustrial Ceramic / Valve Core / Tap Ceramic Disc
Model NumberXTL
Brand Nameجيم
Processing ServicePunching / OEM Service Available
ColorPure White / Black
Hardness1100 Hv5
Flatness 0.6 μm
Surface Roughness (Ra) 0.25 μm
FunctionValve Core
Used ForTap Ceramic Disc
Diameter Tolerance< ±0.02 mm
Density3.6–3.9 g/cm³
Vickers Hardness11–15
SpecificationOuter Diameter (OD): 11.5 mm – 32 المليمتر
Frictional Endurance300,000 500,000 times
OEM ServiceSupported
SampleFree Sample Available
Selling UnitsSingle Item

Main Advantages of Alumina Ceramic Disc Cartridge

Our ceramic disc cartridges are made of high-purity 95% Al₂O₃ alumina ceramic, primarily used in temperature control valves, diverter valves, surf and massage bathtub mixers, and LPG valves. These ceramic discs offer excellent sealing performance, high compressive and flexural strength, and outstanding durability—tested for over 500,000 cycles.


Key Properties of Alumina Ceramic Discs

    1. Excellent Chemical Resistance
      Resistant to acid, alkali, and chemical cleaning agents.

    2. High Pressure Resistance
      Maintains performance under high-pressure conditions without deformation or leakage.

    3. Self-Cleaning Surface
      Effectively resists lime scale build-up even at high water temperatures, prolonging service life.

    4. Corrosion and Abrasion Resistance
      Non-corrosive material with exceptional wear resistance, ensuring long-term reliability.

 

 


Applications of Ceramic Disc Cartridges

    • Temperature control valves

    • Diverter valves for bathtubs and spa systems

    • LPG and gas valves

    • Espresso and coffee machines

    • Single-handle and double-handle faucet cartridges

    • Titration equipment and chemical analyzers

    • Medical devices and equipment

    • Ceramic seals and regulator discs

    • Sanitary fittings and special-purpose valves

    • Refrigerant valves and solid/gas dosing systems


Packaging & Delivery

    • Standard Packaging: Each qualified product is packed in a protective plastic bag and carton box.

    • Fine Packaging Option: Individual plastic bubble casing, then placed into sturdy cartons for maximum protection.

    • Paper Wrapping Available: For added cleanliness and moisture resistance.

    • Customization: OEM packaging and logo printing available upon request.

 

 

Performance For Industrial Ceramic

Item

Unit

95Al2O3

96 Al2O3

99 Al2O3

Physical Characteristics

Heat resistance

1500

1550

1800

Bulk density

g/cm3

3.6

3.6

3.9

Water absorption

%

0

0

0

Mechanical Characteristics

Flexural strength

Mpa

320

340

360

Hardness vickers

Gpa

12.2

13.5

15.6

Elastic modulus

Gpa

280

320

370

Poisson’s ratio

0.22

0.23

0.23

Thermal Characteristics

Linear expansion coefficient

(20-500) 10-6/

7.1

7.2

8

Thermal conductivity

w/(m.k)

16

24

32

Specific Heat

*10-3J/(kg*K)

0.78

0.78

0.9

Electrical Characteristics

Dielectric constant (1MHZ)

9

9.4

9.9

Dielectric loss angle

*10-4

15

5

1

Dielectric strength

*106V/m

12

15

15

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