FIELD: leather industry; applicable in treatment of leathers of various application. SUBSTANCE: depilated hide is deashed with ammonium sulfate. Hide is subjected to softening with ferment preparation in presence of phthalic anhydride with their consumption of 0.01-0.02 and 0.3-0.9%, respectively, of hide weight. EFFECT: higher quality of leathers. 1 tbl, 5 ex
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Authors
Dates
2000-09-20—Published
1999-12-09—Filed