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Wear Resistant Al2O3 Alumina Ceramic Sleeve

  • Wear Resistant Al2O3 Alumina Ceramic Sleeve
  • Wear Resistant Al2O3 Alumina Ceramic Sleeve
  • Wear Resistant Al2O3 Alumina Ceramic Sleeve
  • Wear Resistant Al2O3 Alumina Ceramic Sleeve
  • Wear Resistant Al2O3 Alumina Ceramic Sleeve
  • Wear Resistant Al2O3 Alumina Ceramic Sleeve
Wear Resistant Al2O3 Alumina Ceramic Sleeve
  • MSJ/AL-004
  • Alumina ceramic
  • customized
  • 10 pcs per type
  • industrial applications

Mascera is a professional supplier for technical ceramic parts, we provide custom manufacturing for alumina ceramics, zirconia ceramics, boron nitride ceramics, silicon nitride ceramics, silicon carbide ceramics, aluminum nitride ceramics and machinable glass ceramics.

Alumina ceramic is the most widely applied technical ceramics which has high hardness and mechanical strength, good wear resistance, high temperature resistance, good electrical insulation and good resistance to corrosion etc. Mascera could make custom manufacturing for alumina ceramic parts in required size and shapes.

Any inquiry please email info@mascera-tec.com or call +86 13860446139

Product detail


Alumina ceramic, also known as al2o3 ceramic or aluminum oxide ceramic, is a highly versatile technical ceramic material that finds wide usage across various industries. It offers numerous benefits, including high strength, excellent dielectric properties, exceptional wear and corrosion resistance, and remarkable heat resistance. Alumina ceramic is one of the hardest and most wear-resistant materials on the planet, and diamond tools are required to machine it after sintering. Its applications span a broad range of industries, including machinery, electrical and electronics, semiconductors, petroleum, chemicals, textiles, and more.

 

Mascera offers customized alumina ceramic sleeves/tubes in a wide range of purities, including 95%, 96%, 99%, 99.5%, and 99.8%.The higher purity levels have fewer impurities and can be used for vacuum applications. Our ceramic sleeves and tubes are produced through high-temperature sintering and are fully dense, with the surface finish available as-fired, fine grinding, or polished. Our team works closely with customers to understand their specific needs and produce exact ceramic parts with tight tolerances. Whether it's a small quantity for a prototype or a large quantity for batch production, Mascera is committed to delivering high-quality, customized ceramic solutions to meet our customers' unique requirements.


Main properties of alumina ceramic sleeve / tube

Good strength and stiffness

Extremely high hardness (Moh's hardness 9)

Exceptional resistance to wear

Good corrosion resistance to acid and alkali

High temperature resistance up to 1750℃

Excellent electrical insulation

Low dielectric constant and dielectric loss


Typical applications of alumina ceamic

Mechanical seal rings

Pump plungers or pistons

Electronic substrates

Ceramic crucibles

Textile eyelets or guides

Ceramic balls/valves/seats for valves

Electrical insulators

Wear resistant nozzles

Ceramic furnace tubes

Ceramic thermocouple protection tubes


Material Data Sheet

MaterialUnit95% Al2O396% Al2O399% Al2O399.5% Al2O399.8% Al2O3

Purity

%

95

96

99

99.5

99.8

Color

---

White/Pink

White

Ivory

Ivory

Ivory

Density

g/cm3

3.65

3.72

3.85

3.90

3.92

Water Absorption

%

0

0

0

0

0

Moh's Hardness

---

9

9

9

9

9

HV Hardness

---

>1300

>1300

1700

1750

1800

Flexural Strength @25℃

Mpa

300

300

330

375

390

Fracture Toughness

Mpa.M1/2

3~4

3~4

3~4

4

4

Compressive Strength (25℃)

Mpa

2200

2200

2350

2450

2500

Thermal Conductivity  @25℃

W/M.K

18-22

≥24

27

29

32

Thermal Expansion Coefficient
(25-1000℃)

10-6mm/℃

8

8

8

8

8

Thermal Shock Resistance

△T(℃)

220

220

180-200

180-200

180-200

Max. Working Temperature

1500

1500

1700

1750

1750

Dielectric Strength

Kv/Mm

16

17.2

20

22

22

Electrical Resistivity  (@25℃)

Ω.Cm

1014

1014

1014

1014

1014

Dielectric Constant 

(@1MHz, 25℃)

---

9

9

9.7

9.7

9.8

Dielectric Loss (Tan Delta)
(@1MHz, 25℃)

---

0.0004

0.0002

0.0002

0.0001

0.0001


Shapes of Alumina Ceramics that are Available:

Ceramic rod / ceramic pin / ceramic plunger

Ceramic tube / ceramic bushing / ceramic sleeve

Ceramic ring / ceramic washer / ceramic spacer

Ceramic disc

Ceramic plate / ceramic block

Ceramic ball

Ceramic piston

Ceramic nozzle

Ceramic crucible

Other custom ceramic parts


Machining Ability of Ceramic Parts

Dimensional accuracy: Up to 0.001mm

Surface roughness: Ra0.05-3.2μm

Concentricity: Up to 0.02mm

Parallelism: Up to 0.01mm

Accuracy of Inner hole Drilling: Up to 0.01mm

Cylindricity: Up to 0.02mm

Thread machining: Minimum internal thread M2

Surface finish: As fired, glazed, grinding, polishing, metallization


Packing & Shipment

Package typecarton box with foam protection
Payment terms

TT / Western Union / Paypal

50% payment in advanced and 50% before shipment

Loading port Xiamen, China
Shipping wayBy sea / air / door-to-door express

ceramic sleeve

al2o3 ceramic


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