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Material: Ceramic blade in black
ABS handle with rubber coating (TPR)
Hardness of ceramic blade: HRC>=87
Ceramic knives are made of an advanced, high-tech ceramic called zirconium oxide (also called zirconia) . This material is second only in hardness to diamond. For the technically minded, zirconium oxide has a hardness of 8.2 mohs (vs. steel at 5-6 mohs and diamond at 10 mohs) . Our ceramic knife blades are actually HARDER than steel knives. Zirconium oxide is extremely hard and resists most wear from normal kitchen use.
The superior hardness, superior abrasion resistance, superior corrosion resistance, superior erosion resistance and the superior thermal resistance, as well as the unique electrical and mechanical properties of Zirconia are the enabling factors in these key applications. Zirconia has the highest strength and toughness at room temperature of all the advanced ceramic materials. The fine grain size allows for extremely smooth surfaces and sharp edges. It has no metallic taste or smell and won't brown fruits and vegetables, it make ceramic knives and accessories ideal for kitchen usage.