Hardness of white aluminum oxide/white corundum/WFA/WA
white aluminum oxide/white corundum/WFA/WA Knoop hardness 2000-200kg/mm2
white aluminum oxide/white corundum/WFA/WA Mohs hardness: 9.0
Hardness of white aluminum oxide/white corundum/WFA/WA
white aluminum oxide/white corundum/WFA/WA Knoop hardness 2000-200kg/mm2
white aluminum oxide/white corundum/WFA/WA Mohs hardness: 9.0