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Yixing City Kam Tai Refractories Co.,ltd

Yixing City Kam Tai Refractories Co.,ltd Professional Manufacturer of Refractory Kiln furniture and Technical Ceramic

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95% Aluminum Oxide Ceramic Eyelet Wheel Ceramic Guide Wheel High Wear Resistacnce

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Province/State:jiangsu
Country/Region:china
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China 95% Aluminum Oxide Ceramic Eyelet Wheel Ceramic Guide Wheel High Wear Resistacnce wholesale
  • China 95% Aluminum Oxide Ceramic Eyelet Wheel Ceramic Guide Wheel High Wear Resistacnce wholesale
  • China 95% Aluminum Oxide Ceramic Eyelet Wheel Ceramic Guide Wheel High Wear Resistacnce wholesale
  • China 95% Aluminum Oxide Ceramic Eyelet Wheel Ceramic Guide Wheel High Wear Resistacnce wholesale

95% Aluminum Oxide Ceramic Eyelet Wheel Ceramic Guide Wheel High Wear Resistacnce
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Brand Name :KAMTAI
Model Number :KTJC14-11
Certification :ISO 9001
Place of Origin :CHINA
MOQ :1000PCS
Price :Negotiable
Payment Terms :L/C, T/T, Western Union, MoneyGram,PAYPAL
Supply Ability :10000PCS/ MONTH
Delivery Time :25 DAYS AFTER PAYMENT
Packaging Details :CARTON BOX AND PLYWOOD PALLET
Name :High wear resistacnce 95% alumina ceramic eyelet wheel ceramic guide wheel
Size :Customized
Surface :Polishing
MOQ :1000PCS
Bulik Density :>3.7g/cm3
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Alumina Ceramics Technical Parameter

Alumina is the most mature of the engineering ceramics, offering excellent electrical insulation properties together with high hardness and good wear resistance but relatively low strength and fracture toughness.

During the prodcution, small amounts of silica (SiO2), magnesia (MgO) and zirconia (ZrO2) may be added to alumina ceramics. The applications vary with the purity of Alumina. 99% Alumina Ceramics are mostly used for high temperature crucibles, kiln furniture, special abrasion resistant parts, such as ceramic bearings, ceramic sealings or faucet discs; 95% Alumina Ceramics are usually applied for corrosion-resitant components or wear proof parts; 85% Alumina Ceramis can be metallized with metals like molybdenum, niobium, tantalum to use for electric vacuum devices.

Properties of Alumina Ceramics
Alumina has a high melting point, high hardness and high mechanical strength, although mechanical strength is reduced at temperatures above 1000° C. Due to the relatively large coefficient of thermal expansion, thermal shock resistance is reduced. Alumina is an electrically insulating material, with a high electrical resistivity, increasing with purity. Good chemical stability of alumina, leads to a high corrosion resistance. It is insoluble in water and only slightly soluble in strong acid and alkaline solution.

Technical Parameter
Naterial
Unit
95% Alumina Ceramic
96% Alumina Ceramic
99% Alumina Ceramic
99.7% Alumina Ceramic
Density
g/cm³
3.65
3.7
3.85
3.85
Flexural Strength
Mpa
290
300
350
350
Compressive Strength
Mpa
3300
3400
3600
3600
Modulus of Elasticity
Gpa
340
350
380
380
Impact Resistance
MPam1/2
3.9
4.0
5.0
5.0
Weibull Modulus
M
10
10
11
11
Vickers Hardulus
HV0.5
1800
1850
1900
2000
Thermal Expansion Coefficient
10-6K-1
5.0-8.3
5.0-8.3
5.4-8.3
5.4-8.3
Thermal Conductivity
W/Mk
23
24
27
28
Thermal Shock Resistance
△T℃
250
250
250
280
Maximum Use Temperature
℃
1600
1650
1700
1700
Volume Resistivity at 20℃
Ω
≥10^14
≥10^14
≥10^14
≥10^15
Dielectric Strength
KV/mm
20
20
25
30
Dielectric Constant
εr
10
10
10
10

3.Main application:

Feature Application Main usage
1.Great mechanical strength Electric appliance industry Automotive industry

1.Heat treatment furnace and

toughened furnace
2.High softening temperature

3.Good resistance to

thermal impact

4.Small thermal expansion

coefficient

 Mechanical industry Engineer industry

2.Inner liner tube and heating

tube in electric furnace

5.Good chill and abrupt

heat properties
6. Resistance to acid and alkali corrosion

95% Aluminum Oxide Ceramic Eyelet Wheel Ceramic Guide Wheel High Wear Resistacnce

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