Hardness evaluates a cloth's potential to resist mechanical wear and abrasion. Alumina ceramics surpass steel and tungsten carbide instruments in hardness. Around the Rockwell hardness scale, alumina ceramics range from HRA80-ninety, positioning them just below diamonds and above chrome steel. On the bottom, medical unit producers also respect MACOR’s machinability https://seymourq988kaq6.wikiinside.com/user