... purity zirconium oxide powder that is compressed at very high pressures and heated in a furnace at ... The materials that make up a ceramic blade is very hard. It’s the second hardest material, ranked ... The density of Ceramic blades is very high, and the blades have very little pores. Just like your face, ... on a metal knife.•LIGHTWEIGHT - Ceramic material is very light weight. The lighter the weight is, the ...