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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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durable fine industrial ceramic Alumina Ceramic Washer With High Precision

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durable fine industrial ceramic Alumina Ceramic Washer With High Precision

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Brand Name : KAMTAI

Model Number : KT

Certification : ISO 9001

Place of Origin : CHINA

MOQ : 2000PCS

Price : Negotiable

Payment Terms : L/C, T/T, Western Union, MoneyGram,PAYPAL

Supply Ability : 15000PCS/ MONTH

Delivery Time : 25 DAYS AFTER PAYMENT

Packaging Details : CARTON BOX AND PLYWOOD PALLET

Shape : ceramic ring

MOQ : 2000PCS

Feature : High temperature resistance

Color : White

Package : Carton box

Max using temperature : 1500℃

Density : 3.75g/cm3

SIZE : Customize

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Alumina ceramic washer


1. Description

Alumina, or Aluminum Oxide, is a durable fine industrial ceramic that is commonly used in a variety of processing applications. Grind sintered alumina ceramics only using a diamond tool. Alumina ceramic exhibits exceptional hardness and wear resistance, as well as low corrosion, excellent electrical insulation and bio-inertness. Alumina (Al2O3) is a very heat-stable ceramic material of excellent temperature stability. Al2O3 ceramics with a purity of 95% to 99% are the most commonly used kind of technical ceramics. UNIPRETEC offers a variety of alumina ceramic shaping methods, including molded injection, die pressing, slip casting, extrusion, and cold isostatistically pressing.
Alumina is used in a wide spectrum of purity concentrations, ranging from ultrapure to added-substance grades. Although the purity of Al2O3 in finished products usually ranges between 90 and 99.8%, UNIPRETEC tends to work with materials with a purity of 95 to 99 percent.
2.Specificaion of Alumina ceramic

Accept any size according to the drawings

Accept any size according to the drawings

Material Properties
ITEM
UNIT
Alumina | A950
Alumina | A990
Main Content
-
95% Al2O3
99% Al2O3
Color
-
White / Pink
Ivory
Density
g/cm3
3.7
3.85
Vickers Hardness
Gpa
14
17
Flexural Strength
Mpa
310
360
Compressive Strength
Mpa
2,200
2,500
Electrical Resistivity
Ω·cm
>1014
>1014
Dielectric Strength
KV/mm
15
17
Dielectric Constant
1 MHz
8
9
Thermal Conductivity
W/m.K
25
29
Max. Working Temperature
℃ / °F
1,500 / 2,730
1,650 / 3,000
Resistance to Thermal Shock
△T(℃)
210
230
Thermal Expansion Coefficient (25 - 1,000 ℃)
10-6/K
7 - 9
7 - 9


Product Features
√ High Voltage Insulator
√ High Purity, Max. 99.8%
√ Various Available Grades
√ Hard and Wear Resistant
√ High Corrosion Resistance
√ High Mechanical Strength
√ Good Thermal Conductivity
√ High Operating Temperature
√ Most Favorable Fine Ceramic
durable fine industrial ceramic Alumina Ceramic Washer With High Precision


















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