| 摘要 |
FIELD: tannery industry. ^ SUBSTANCE: claimed method includes treatment of chrome-tanned semi-finished product with antiseptic such as polymineral obtained from natural non-metal fossils (minerol), which is used in amount of 5-10 mass % based on semi-finished product. Minerol is also used as filler being introduced in retanning step with chrome compounds in amount of 5-10 mass % based on semi-finished product. ^ EFFECT: effective biological leather conservation after chrome tanning. ^ 3 cl, 1 tbl
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