莫来石陶瓷材料特性表
莫来石陶瓷（Mullite ceramic）
| 主要成分／Essential components | MgO SiO2 | |||
| 物质特性Material characteristis | 密度／Density | g/cm^3 | 3 | |
| 吸收率／Water Absorption | % | 0 | ||
| 烧结温度／Agglomeration temperature | ℃ | 1300 | ||
| 物理特性Physical characteristics | 硬度／Hardness | HV | 1000 | |
| 抗折强度／Anti-Folding Strength | Kgf/cm^2 | 1100 | ||
| 抗压强度／Compressive Strength | Kgf/cm^2 | 6000 | ||
| 断裂韧性／Tenacity | Map.m^3/2 | – | ||
| 热力特性Thermodynamic property | 最高使用温度／Highest application temperature | ℃ | 1200 | |
| 热膨胀系数／Thermal expansion coefficient 0-1000℃ | /℃ | 6*10-6 | ||
| 耐热冲击力／Heat resistance | T(℃) | 300 | ||
| 热传导率／Thermal conductivity | W/m.k(25-300℃) | 4.2- | ||
| 电器特性Electrical specification | 体积电阻率Volume resistivity | 20℃ | Ωm | >10^12 |
| 100℃ | 10^10-10^12 | |||
| 300℃ | – | |||
| 绝缘破坏强度／Insulation breakdown intensity | KV/mm | 10 | ||
| 介电常数／Dielectric constant | 100MHz(E) | 6 | ||
性能与特点／Introduction
莫来石陶瓷耐热性优良，特别是蠕变性好，热冲击特性好，广泛应用于高温行业。