Small Plastic V Groove Pulley for in Stock
a) 95% Al2O3 b) 99% Al2O3 c) 99% Al2O3
2) Other materials available upon request3) Tolerance: according DIN ISO 2768-14) Surface roughness: 1-0.1μm5) Vickers hardness: 1,8002,0006) Special types available according to customer’s drawings or samples
1) Wear resistant
2) Corrosion resistant3) Heat resistant4) Stable dimensions5) Lightweight6) Long performance life
Name
Unit
Slim
Material
Al2O3 95%-97%
Al2O3 99%
Al2O3 99.7%
Density
g/cm3
3.7
3.85
3.9
Flexural Strength
Mpa
300
340
390
Compressive Strength
Mpa
3400
3600
3900
Modulus of Elasticity
Gpa
350
380
390
Impact Resistance
Mpa m1/2
4.0
5
5.2
Waybill Modulus
m
10.0
10
12
Vickers Hardness
HV0.5
1800.0
1900
2000
Thermal Expansion Coefficient
10-6K-1
5.0-8.3
5.4-8.3
5.5-8.4
Thermal Conductivity
W/mK
24
27
28
Thermal Resistance
T°C
250
270
280
Maximum Use Temperature
°C
1600
1650
1700
Volume Resistivity at 20°C
Ω
≥1014
≥1014
≥1015
Dielectric Constant
KV/mm
20
25
30
Open Porosity
%
0
0
0
Dielectric Constant
ξr
10
10
10
Dielectric Loss Angle
Tanσ
0.001
0.
Ceramics Processing
Packaging&Shiping