Ads by Google
(M2.5\M3\M4\M5) Ceramic screw, alumina screw, zirconia screw
We manufactures custom technical ceramic parts and components ,covering a wide range of customer reuquirements .We make use of several forming and machining techniques to process components made from alumina, zirconiz ,cordierite .These materials may be used in applications that require wear or coorosion resistance .high temperature capability ,or ceramic insulators for electrical resistance
Alumina Content |
| 80-85% | 90-96% | > 99.5% | 99% |
General Application |
| Lower Cost Electrical & Mechanical | 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 | 0-.05 | Variable |
Density | gm/cm3 | 3.45-3.50 | 3.55-3.75 | 3.75-3.95 | 2.4 |
Flexural Strength | kpsi | 35.0-40.0 | 40.0-50.0 | 50.0-55.0 | - |
Comprehensive Strength | kpsi | 260.0 | > 300.0 | > 300.0 | - |
Tensile Strength | kpsi | 15.0-20.0 | 20.0-28.0 | 20.0-28.0 | - |
Linear Coefficient of Thermal Expansion | (cm/cm/°C)25-300°C25-700°C | 5.9X10-66.5X10-6 | 6.3X10-67.0X10-6 | 6.5X10-67.5X10-6 | 6.5X10-67.5X10-6 |
Dielecctric Constant at 25°C | 1 MH10 MH | 8.5-8.98.4-8.8 | 9.2-9.89.0-9.6 | 9.5-9.99.3-9.7 | - |
Dielectric Strength | Volt/mil | 200 | 225 | 225 | - |
Te Value | °F°C | 1472800 | > 1832> 1000 | > 1832> 1000 | > 1832> 1000 |
Thermal Conductivity at 25°C | cal/sec/cm2/cm/°C | .03-.04 | .04-.06 | .07-.08 | - |
Thermal Shock |
| Good | Good | Good | Good |
Safe UseTemperature | °F°C | 25501400 | 3000-31001650-1700 | 32751800 | 32751800 |
High at elevated temperaturesHigh dielectric strengthExcellent electrical resistance Abrasion resistance
M2.5\M3\M4\M5 Ceramic screw