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Brand Name : Ming Rui
Model Number : MR-ZR-008
Certification : ISO9001
Place of Origin : China
MOQ : 1 set
Price : negotiable
Supply Ability : 150set per day
Delivery Time : 15 days after we receive the payment
Packaging Details : package in carton by EMS or DHL
Business type : manufacture
Feature : High wear resistant/corrosion resistant/high-temperature resistant
Surface Treatment : Polishing or glazing
Content of alumina : 99%
Length : 0.4-350mm
Structure : Eccentric
Maximum use temperature : 1800℃
keyword : ceramic block
Electrical insulation. Most ceramic materials are excellent electrical insulators. Alumina, for instance, with a room-temperature volume resistivity of more than 10 14ohm-cm and a melting point of 2,090°C, is ideal for spark-plug insulators.
| Items | Unit | 95%Al2O3 | 99.5%Al2O3 |
| Density | g/cm3 | 3.7 | 3.9 |
| Flexural Strength | MPa | 313 | 340 |
| Compressive Strength | MPa | 3400 | 3600 |
| Modulus of Elasticity | GPa | 350 | 380 |
| Impact Resistance | MPa·m1/2 | 4 | 5.1 |
| Weibull Modulus | m | 10 | 10 |
| Vickers Hardness | HV0.5 | 1800 | 1900 |
| Thermal Conductivity | W/mk | 24 | 27 |
| Highest Application Temperature | ºC | 1600 | 1750 |
| Volume Resistivity at 20ºC | Ω.cm20 | >10 14 | >10 14 |
| Dielertric strength | KV/mm | 20 | 25 |
| Thermal expansion | X10-6/K | 5.0-8.3 | 5.4-8.3 |
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Industrial Alumina Ceramic Block Ceramic Insulator Precision Ceramic Components Images |