Material: ceramic, various sizes. Our company specializes in producing ceramic bushings in various specifications. Alumina electrical ceramics feature low dielectric constant, low dielectric loss, high insulation strength, high volume resistivity, good flexural strength, high stability, high compressive strength, and excellent thermal shock resistance. The main types include 95% alumina ceramics and 99% alumina ceramics. They are widely used in thermostats and insulating components for various small household appliances, thermal equipment, electric heating appliances, iron-structured buildings, shipbuilding, and more.