95 99 Aluminum oxide / Al2o3 / Alumina Ceramic Gasket Ring

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Product Overview

Description







Alumina, also known as Aluminum Oxide, is a hard wearing advanced technical ceramic material frequently used in a wide variety of industrial applications. Once fired and sintered, it can only be machined using diamond-grinding methods. It features high hardness and wear resistance, low erosion levels, high temperature resistance, corrosion resistance, and bioinertness.Additionally, it can be highly polished, making it useful for a wide range of applications.

Properties:
1. Good electrical insulation
2. Moderate thermal conductivity
3. High corrosion and wear resistance
4. Good gliding properties
5. High mechanical strength
6. High compressive strength
7. High hardness






DO YOU KNOW WHAT ALUMINA CERAMIC ARE?

Alumina ceramic is a kind of alumina as the main ceramic material,used in thick film integrated circuits.Alumina have good conductivity,mechanical strength and high temperature resistance.It should be noted that ultrasonic washing is needed.Alumina ceramics have a veriety of uses to meet the needs of daily use and specical properties.95 alumina porcelain is mainly used as waer-resisting parts.

PRODUCT DETAILS
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Advantage:
1.Purity:92%, 95%, 96%, 99%, 99.7%
2.Good mechanical strength
3.Excellent electrical insulation
4.High-frequency loss
5.Good thermal conductivity
6.Heat, wear and corrosion resistance.
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Application:

Alumina is the best-known advantaced ceramicmaterial, is widely used in 
1.Automotive
2.Petro-chemical 
3.Fluid control
4.Material transfer
5.Industry
6.Electrical and electronic
7.Semiconductor
8.Sapphire is single-crystal alumina.



Property
Unit
92% Alumina Ceramic
95% Alumina Ceramic
99% Alumina Ceramic
Density
g/cm3
≥3.63
≥3.68
≥3.83
Water absorption
%
O
O
O
Sintering temperature
°C
1500-1700
1600-1800
1700-1800
Hardness
HV
≥1400
≥1500
≥1650
Flexural strength
Kgf/cm2
3000
3000
3000
Compressive strength
Kgf/cm2
24000
25000
26000
Fracture toughness
Map.m3/2
3~4
3~4
4~5
Maximum temperature
°C
1600
1700
1800
Coefficient of thermal expansion
/°C
8*10-6
8*10-6
8*10-6
Heat shock
T(°C)
220
220
220
Thermal conductivity
W/m.k(25-300°C)
25 14
25 14
25 14
20°C
>1012
>1012
>1012









RFQ

1.What's the max using temperature ?
Max 1700degree

2.Which composition suitable for metallized ceramics?
95% alumina

3.What's the 99 alumina's major applications?
Pump Shaft,Drive Shaft,Sealing Ring

4.Can you do OEM?
We are mostly doing by drawing

5.What's the delivery time?
About 35days


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