Seamark Ceramic has advanced technologies, rich management experiences and equipments to manufacture all kinds of alumina to meet the customers’ requirement. The main material in Seamark ceramic including 96% alumina ceramics (Al2O3),99% alumina ceramics, Zirconia ceramics(ZrO2),Silicon carbide(Sic),Silicon Nitride (Si3N4).
alumina technical parameter.
- high mechanical strength
- High temperature, Max working temperature: 1000C.
- good electrical insulation
- Good chemical corrosion resistance under high temperature.
- Excellent wear and abrasion resistance
- Very hardness and Excellent thermal shock
- Low dielectric loss, high insulation.
|
Material
|
——
|
AI-920
|
AI-950
|
AI-990
|
AI-997
|
AI-999
|
|
Texture
|
——
|
Al2O3
|
Al2O3
|
Al2O3
|
Al2O3
|
Al2O3
|
|
>92%
|
>95%
|
>99%
|
>99.7%
|
>99.9%
|
|
Density
|
g/cm³
|
3.45
|
3.50
|
3.75
|
3.90
|
3.92
|
|
Bending strength
|
Mpa
|
340
|
300
|
330
|
390
|
390
|
|
Compressive strength
|
Mpa
|
3600
|
3400
|
3800
|
3900
|
3900
|
|
Elasticity modulus
|
Gpa
|
350
|
350
|
370
|
390
|
390
|
|
Impact resistance
|
Mpam½
|
4.2
|
4.0
|
4.4
|
5.2
|
5.5
|
|
Weibull Modulus
|
m
|
11
|
10
|
10
|
12
|
12
|
|
Vickers Hardness
|
HV 0.5
|
1700
|
1800
|
1800
|
2000
|
2000
|
|
Thermal expansion
|
10^-6K^-1
|
5.0-8.3
|
5.0-8.3
|
5.1-8.3
|
5.5-8.4
|
5.5-8.5
|
|
Thermal Conductivity
|
W/mk
|
18
|
24
|
25
|
28
|
30
|
|
Thermal shock resistance
|
°C
|
220
|
250
|
250
|
280
|
280
|
|
Highest Application Temperature
|
°C
|
1500
|
1600
|
1600
|
1700
|
1700
|
More about us:
Seamark can supply many kinds of ceramic parts according to the customer’s different requirements. Our products include ceramic plunger, ceramic rod, ceramic shaft, ceramic piston, ceramic tube, ceramic pipe sleeve, ceramic seal ring, special shape ceramic etc.
If you need any further information, please do not hesitate to contact us.
