China Wire Drawing Machine Wire Jump Preventer Caged Ceramic Pulley, Find details about China Caged Ceramic Pulley, Wire Jump Preventer from Wire Drawing Machine Wire Jump Preventer Caged Ceramic Pulley
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 m 1/2 | 4.0 | 5 | 5.2 |
Waybill Modulus | m | 10.0 | 10 | 12 |
Vickers Hardness | HV0.5 | 1800.0 | 1900 | 2000 |
Thermal Expansion Coefficient | 10 -6 K -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 | ≥10 14 | ≥10 14 | ≥10 15 |
Dielectric Constant | KV/mm | 20 | 25 | 30 |
Open Porosity | % | 0 | 0 | 0 |
Dielectric Constant | ξr | 10 | 10 | 10 |