Refractory Anti-Corrosion Resistant Al2O3 Ceramic Flange Bushings

Refractory anti-corrosion resistant Al2O3 ceramic flange bushingsSpecification:
1.Refractory
2.Long service life
3.High Polished Surface
4.Superior Mechanical Strength
5.Anti-high Corrosion and Wear Resistance
6.Good Insulation Performance
7.High Temperature and Pressure Resistance
8.High Purity Zirconia and Alumina Ceramic Materials . High hardness, long service life, not easy to break and wear resistance
.non-conductive, anti-static, ceramic material itself with the insulation of electricity and magnetism properties
.corrosion resistance, high temperature resistance, can be applied to aspecific environment, such as acid alkali resistance
Product Nameceramic flange bushingsMax Load CapacityStatic load 250N/mm2 ; Dynamic load 140N/mm2Max Load SpeedDry friction 2.5m/s ; Oil lubrication 5.0m/sMax PV Value LimitDry friction 3.6N/mm2 m/s ; Oil lubrication 50N/mm2 m/sFriction CoefficientDry friction 0.08~0.20 ; Oil lubrication 0.02~0.07Work Temperature-195ºC~+280ºCThermal Conductivity42w/m kApplication FeatureSelf lubrication, Low wear, Low friction, Low noise, Good sliding characteristic, Pb free
Zirconia Ceramic:
Item
Character
Unit
Zirconia
Physical Characteristics
Heat resistance
0C
2200
Bulk density
g/cm3
6.05
Water
absorption
%
0
MechanicalCharacteristics
Flexural strength
Mpa
1000
Hardness
HRA
89
Elastic modulus
Gpa
200
Poisson's ratio
0.31
Thermal Characteristics
Linear expansion coefficient
(20-5000C)10-6/0C
10
Thermal conductivity
w/(m.k)
2.5
Specific Heat
*10-3J/(kg*K)
0.5
Alumina Ceramic:
Alumina Content
Unit
90-96%
> 99.5%
99%
General Application
High Strength, Wear Resistant, Electronic, Insulating, Mechanical, Structural &metalizing
Extremely High Purity, Temperature &Strength; Excellent Corrosion &Wear Resistance
Porous, Easily Degassed &Machinable
Porosity
%
0-.05
0-.05
Variable
Density
gm/cm3
3.55-3.75
3.75-3.95
2.4
Flexural Strength
kpsi
40.0-50.0
50.0-55.0
-
Comprehensive Strength
kpsi
> 300.0
> 300.0
-
Tensile Strength
kpsi
20.0-28.0
20.0-28.0
-
Linear Coefficient of Thermal Expansion
(cm/cm/°C) 25-300°C 25-700°C
6.3X10-67.0x10-6
6.5X10-67.5X10-6
6.5X10-67.5X10-6
Dielecctric Constant at 25°C
1 MH 10 MH
9.2-9.8 9.0-9.6
9.5-9.9 9.3-9.7
-
Dielectric Strength
Volt/mil
225
225
-
Te Value
°F °C
> 1832 >1000
> 1832 >1000
> 1832 >1000
Thermal Conductivity at 25°C
cal/sec/cm2/cm/°C
.04-.06
.07-.08
-
Safe Use Temperature
°F °C
3000-3100 1650-1700
3275 1800
3275 1800
Product Flow Diagram:
FAQ:
whatisyourproductrange?
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