The photos show a part that takes advantage of the insulating properties of ceramics (left photo) and a part that takes advantage of wear resistance (right photo, white color). Both are made of alumina.
Details
The outer and inner diameters of round shapes are cylindrically ground, while the thicknesses of square shapes and other parts are surface ground.
features
■Ceramic Insulating Components ■We are capable of surface grinding and cylindrical grinding (O.D. and I.D.) of ceramics