FIELD: individual supplies.
SUBSTANCE: invention concerns cutting items and can be applied in shaving. Blade features sharp cutting edge and coloured coating and is manufactured of sheet material such as by stainless steel. Indicated material undergoes preliminary high temperature treatment for steel austenitisation in forming gas medium with further cooling in forming gas medium preceding oxidation. Colour coating is formed in material oxidation and tempering process and is applied at least onto a part of blade. Indicated colour coating includes metal oxide and/or oxynitride.
EFFECT: enhanced blade longevity.
20 cl, 9 dwg, 4 ex
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