Ceramics
Characteristics：
Applications：
Semiconductor, optical equipment, aerospace industry, defense industry, medical equipment, tools, machines, food industry, the bike industry and extreme environment application industry, etc. Material characteristics, high strength, wear resistance, strong rigidity, corrosion resistance, insulation, non-magnetic, resistance to compression and weight and other metal materials do not have the performance.
| Properties | Unit | B4C | 99AL2O3 | ZTA-20% | ZRO2 | SI3N4 | SIC |
| Density | g/cm3 | 2.4~2.51 | 3.7~3.99 | 5.5 | 6 | 3.2 | 3.2 |
| HV Hardness | Kg/mm | 2700~3200 | 2300~2700 | 1470~1500 | 1300~1500 | 1700~2700 | 2350~2450 |
| Flexural strength | Mpa | 350~400 | 300~400 | 700 | 1000~1500 | 900 | 450~800 |
| Indentation strength | Mpa | 1800~2500 | 2800~3500 | 2000 | 2000 | 3500 | 2250~3000 |
| Impact strength | Mpa.m-3/2 | 6 | 2~4 | 5~6 | 11 | 7 | 4~5 |
| Modulus elasticity | Gpa | 407 | 260 | 210 | 320 | 410 | |
| Coef. of expansion | X10-6/℃ | 4.5 | 6.5~8.6 | 9.4 | 10.5 | 3.2 | 4.3 |
| Heat impact | ΔT℃ | 200 | 470 | 250 | 500 | 350 | |
| Resistivity | Ω/cm2 | 0.3~0.8 | >10¹² | >10¹² | >10¹² | >10¹² | 100~2 |