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Alumina Ceramic Roller

Alumina Ceramic Roller

Product

Alumina Ceramics

Alumina Ceramic Tube

Alumina Ceramic Rod

Alumina Ceramic Substrates

Alumina Ceramic Disc

Alumina Ceramic Plate

Alumina Ceramic Roller

Alumina Ceramic Crucible

Alumina Ceramic Ring

Alumina Ceramic Part

Ceramic Ignition Electrode series
Zirconia Ceramics

Zirconia Ceramic Tube

Zirconia Ceramic Rod

Zirconia Ceramic Plate

Zirconia Ceramic Disc

Zirconia Ceramic Crucible

Zirconia Ceramic Ring

Zirconia Part

Zirconia Knife
Silicon Carbide Ceramics

RBSiC

SSiC

R-SiC
Aluminum Nitride Ceramics

Aluminum Nitride Substrates

Aluminum Nitride Tube

Aluminum Nitride Plate

Aluminum Nitride Disc

Aluminum Nitride Part
Boron Carbide Ceramics

Boron Carbide Tiles

Boron Carbide Plate

Boron Carbide Insert

Boron Carbide Bushing

Boron Carbide Tube

Boron Carbide Nozzle

Boron Carbide Ball
Boron Nitride Ceramics (BN)

Boron Nitride Tube

Boron Nitride Plate

Boron Nitride Ring

Boron Nitride Nozzle

Boron Nitride Crucible

Boron Nitride Part
Pyrolytic Boron Nitride (PBN)

PBN Crucible

PBN Plate

PBN Tube

PBN Ring

PBN Part
Silicon Nitride (Si3N4) Ceramics

Silicon Nitride Substrates

Silicon Nitride Bearing

Silicon Nitride Igniter

Silicon Nitride Balls

Silicon Nitride Tube

Silicon Nitride Part
Beryllium Oxide Ceramics

BeO Tube

BeO Substrates

BeO Ring
Mullite Ceramics

Mullite Ceramic Part

Mullite Ceramic Tube

Mullite Ceramic Plate
GaN Ceramics

GaN Substrates

GaN wafer
Graphite

Graphite Crucible

Graphite Rotors and Shaft

Graphite Plate

Graphite Rod

Graphite Tube

Graphite Ring

Graphite Heater

Graphite Launder

Graphite Cylinde

Graphite Nozzle

Graphite Blocks
Quartz

Quartz Tube

Quartz Rod

Quartz Plate

Quartz Crucible

Quartz Ring
Tugnsten Carbide

Tungsten Carbide Rod

Tungsten Carbide Strips/Plate

Tungsten Carbide Burrs

Tungsten Carbide Dies

Tungsten Carbide Balls

Alumina ceramic roller for furnace

Type: Ceramic rollers

Color:White, Pink, Ivory

Specifications: Diameter φ15-200mm    Length 1000-5500mm

Alumina ceramic rollers are cylindrical-shaped components made of high-purity alumina ceramic material that is used in a variety of industrial applications. These rollers are designed to be highly wear-resistant and can withstand high temperatures and harsh environments. They are often used in applications such as ceramic manufacturing, glass processing, and steel production.

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Product Description

Features & Benefits

  • High wear resistance: Alumina ceramic rollers are extremely durable and resistant to wear, making them ideal for use in applications where abrasive materials are present.
  • High-temperature resistance: Alumina ceramic rollers can withstand high temperatures, making them suitable for use in high-temperature industrial processes.
  • Chemical resistance: Alumina ceramic rollers are resistant to most chemicals, acids, and alkalis, making them ideal for use in harsh environments.
  • Dimensional stability: Alumina ceramic rollers have excellent dimensional stability and are resistant to deformation, even under heavy loads.
  • Low friction: Alumina ceramic rollers have a low coefficient of friction, making them ideal for use in applications where low friction is desired.

Markets & Applications

  • Ceramic manufacturing: Alumina ceramic rollers are used in the production of ceramic products, such as tiles, pottery, and sanitary ware.
  • Glass processing: Alumina ceramic rollers are used in glass processing applications, such as the production of flat glass and glass containers.
  • Steel production: Alumina ceramic rollers are used in the production of steel products, such as wire, rod, and sheet.
  • Other industrial applications: Alumina ceramic rollers are also used in a variety of other industrial applications, such as in the production of electronic components, aerospace components, and medical implants.

Specification

Dimension Outer dia. mm Inner dia.mm Length mm Remark
Item 
Thermocouple protection tube 7-170 1-110 10-2500 If you need others,we can customize for you.
Insulated tube Single hole 2-530 1-500 10-5200
(inner core) Double holes 1-10 0.4-2 10-2500
Four-Nine holes 1-10 0.5-2 10-2500

 

Parameters of Alumina Ceramic

Item Test Condition 78-82% Al2O3 95% Al2O3 99% Al2O3 99.5% Al2O3
Physical properties Density g/m³      >2.9 >3.6 3.89 3.96
Moisture absorption %   5-7 0 0 0
Mechanical properties ROHS Hardness     60-70 ≥85 ≥89 ≥89
Flexural strength psiX103 20℃   358 550 550
Compressive strength psiX103 20℃   2068(300) 2600(377) 2600(377)
Fracture toughness Mpa.m3/2 K(l c)   4.3 5.6 6
Thermal properties Maximum use temperature ℃   1350 1450 1600 1650
Thermal expansion coefficient 1X10-6/℃ (25-1000℃) 6.1-6.6 7.6 7.9 8.2
Thermal shock resistance ℃ Tc very good 250 200 200
Thermal conductivity w/mok 20℃   16 30 30.4
Electrical properties Volume resistivity Ohm/cm2 100℃ >1013 >1013 >1014 >1014
Dielectric breakdown strength KV/mm   8.7(220) 8.7(220) 8.7(220) 8.7(220)
Dielectric constant (E) 1MHz25℃ 9 9 9.7 9.7
Dielectric constant (100MHz) (E) 9.5        

 

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Product

Alumina Ceramics Zirconia Ceramics Silicon Carbide Ceramics Aluminum Nitride Ceramics Boron Carbide Ceramics Boron Nitride Ceramics (BN) Pyrolytic Boron Nitride (PBN) Silicon Nitride (Si3N4) Ceramics Beryllium Oxide Ceramics Mullite Ceramics GaN Ceramics Graphite Quartz Tugnsten Carbide

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