Dehairing and ashing stages are the raw material processing in strong alkaline media by calcium hydroxide suspension with sodium sulphide addition. The purpose of the processes is to remove hair and epidermis, and derma structure change. The disadvantage of the typical technology is the significant expenditure of alkaline reagents at the ashing stage, leading to the leather front layer hardness decrease and leather plants process waters contamination by toxic compounds.
We offer enzymatic technology which allows to obtain soft, perfectly clean surface of the dehaired leather, free from fine hair, with strong grain side at significant reduction of aggressive alkaline reagents usage.
- Ferment ООО
Enzymatic auxiliary means for enzymatic de-hairing technology.
Product description
Unique enzymic complex of microbial origin with optimal effect in strongly alkaline media, mineral filler (stabilizer).
Purpose
A unique enzyme complex of microbial origin, capable to influence different structures (proteins, carbohydrates, fatty substances), not only of the dermis, but also of the protein-carbohydrate complexes lining, the hair pouch of leather raw materials. It is used for weakening the hair bond with the dermis, with subsequent hair removal by the unhairing machines. In the process of leather raw materials enzymatic dehairing, the hair is not damaged, but the hair bond with the dermis is destroyed due to hydrolysis of the fibers lining the hair pouch and protein-carbohydrate complexes.
Advantages of the technology
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removal of major mass of non-collagen proteins, hydrocarbons, aminosugars, separation of collagen structural components;
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collagen losses decrease by 20%;
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possibility to carry out subsequent ashing in milder conditions, with the chemical reagents concentration and the process duration decrease;
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decrease of chemicals expenditure (sodium sulphite or sodium hydrocarbonate and non-ionogenic surfactant) in the solution up to 70%;
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high purity of the dehaired leather free from fine hair, high quality wool preservation, which yield is increased by 10-20% as compared with the yield at electric shearing;
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possibility to eliminate the softening stage from the technological process;
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decrease of wastewater pollution due to the use of lower amount of chemical reagents.
Characteristics and use
"Proteazim-Extra" is a multi-purpose softening agent for all types of raw materials and leather.
Working temperature range for the agent is 20–55 ℃ (optimal: 45–55 ℃).
Working рН range 7–12 (optimal 9.5 - 12)
How to use
Dehairing is carried out at the previously soaked and fleshed lather in two possible ways:
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by spreading,
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in solution,
according to enzymatic de-hairing technology by Ferment.
Precautions
Work using safety glasses, gas mask and rubber gloves.
In case of eye contact, rinse with water and instill anti-irritation compounds. In case of skin contact, rinse with running water until complete removal of the product. If ingested, forcibly empty the stomach and take sorbents. Consult your doctor, if necessary.
Detailed information is given in the safety data sheet.
Packaging
Polypropylene bags with inserts, 25 kg, polymeric barrels and other packages suitable for storage of similar products.
Storage conditions
Protect from moisture; temperature limitations.