FIELD: leather industry. SUBSTANCE: chromed semi-finished product is tanned additionally with chrome tanning agent, neutralized and greased simultaneously at GK 0.5-0.6, at temperature 44-46 C in the presence of a mixture of synthetic and plant tanning agents at their ratio 1.5:1.0, respectively, following by twice polishing, soaking, staining with dry dyes, treatment with organic acid and finishing. EFFECT: improved method of leather production. 1 tbl
Title | Year | Author | Number |
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METHOD OF HYDROPHOBIC LEATHER PRODUCTION | 1993 |
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METHOD OF THE BUFFED-GRAIN LEATHER PRODUCING | 1996 |
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Authors
Dates
1995-07-20—Published
1993-12-10—Filed