FIELD: chemical treatment of hides.
SUBSTANCE: raw hide is preliminary soaked in water solution of nonionogenic surface-active substance, sodium carbonate, and antiseptic. The raw is then soaked in a water solution of sodium carbonate, alkaline protease, nonionogenic surface-active substance, magnesium oxide, and antiseptic and is limed.
EFFECT: expanded technological capabilities and heightened quality.
1 tbl
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RU2198932C1 |
