Hardness evaluates a fabric's ability to resist mechanical have on and abrasion. Alumina ceramics surpass steel and tungsten carbide applications in hardness. Over the Rockwell hardness scale, alumina ceramics vary from HRA80-90, positioning them just below diamonds and earlier mentioned chrome steel. Alumina might be machined in green, biscuit, or https://charlesb221tkz0.laowaiblog.com/profile