氧化铝陶瓷性能也非常优越，能够满足于日用和特殊性能的需要。因此，在现代社会中的应用也越来越广，陶瓷品的技术也日渐成熟。体积电阻率指的是试样体积电流方向的直流电场强度与该处电流强度的比值，达到95%的氧化铝陶瓷是一种优良的电子绝缘材料，体积电阻率很高。电性能主要是指体积电阻率、直接击穿强度、介质损耗角正切值和介电常数。
当电场强度达到一定值的时候，内部结构会发生变化，产生绝缘击穿。直流击穿强度是击穿电压值与试样的平均厚度的比值，一般我们可以达到30-40KV/mm。（图/文www.yxwdcy.com）
中译英：
The properties of the alumina ceramics is very advantageous, able to meet the daily needs and special properties of. Therefore, in the modern society is more and more widely applied in ceramic products, the technology has become more mature. Volume resistivity refers to the volume of sample the current direction of DC electric field strength and the current intensity ratios, reached 95% of the alumina ceramics is a kind of excellent electrical insulation materials, high volume resistivity. Electrical properties are mainly refers to the volume resistivity, direct breakdown field strength, dielectric loss tangent and dielectric constant.

When the electric field intensity reaches a certain value, the internal structure will change, resulting in insulation breakdown. DC breakdown strength is breakdown voltage value and the average thickness ratio, in general we can reach 30-40KV/mm.