Depilation method of animal skin

A depilation method of animal skin is to firstly add the animal skin into a rotary drum or a paddle vat, and add 100-300wt% of water and 0.1-0.5wt% of a degreasing agent, rotate, pour the water out; add 100-300 wt% of water, 0.1-2 wt% of a basifying agent, 0.1-0.5 wt% of a Wetting Agent, 0.1-0.5wt%...

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description A depilation method of animal skin is to firstly add the animal skin into a rotary drum or a paddle vat, and add 100-300wt% of water and 0.1-0.5wt% of a degreasing agent, rotate, pour the water out; add 100-300 wt% of water, 0.1-2 wt% of a basifying agent, 0.1-0.5 wt% of a Wetting Agent, 0.1-0.5wt% of a degreasing agent, 0.1-1 wt% of a first composite protease, and 0.1-1 wt% of a lipase, rotate; add 0.05-0.3 wt% of a sterilizer, rotate; intermittently rotate for 5-24 hours, pour the water out; add 30-300 wt% of water, 0.1-3 wt% of non-sulfide depilatories, 0.1-0.5 wt% of a degreasing agent, 0.1-1 wt% of a second composite protease, and 0.1-1 wt% of lipase, rotate; intermittently rotate to add 0.2-2 wt% of sodium hydroxide twice or four times while in rotation; add 0.3-1.8 wt% of sodium sulfide, rotate, stop; intermittently rotate, add 0.5-3 wt% of sodium hydroxide twice or five times while in rotation; and add 30-150 wt% of water, pour the water out. The method of the present invention can conventionally redu
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LAUNDERING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
title Depilation method of animal skin
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