Nail - the dermis of the animal's skin, free of hair , epidermis , mezdra ( subcutaneous tissue ) and foreign substances. It is usually a semi-finished product in pre-billet surgery , but sometimes (specially processed and dried) it can be the final product of production: for example, parchment , raw materials .
In the leather industry, the minnow is subjected to various treatments - gold plating , desalination , softening - to prepare it for tanning . The quality of a nail determines many important characteristics of the skin obtained during the production process, including its tensile and elongation strength, ductility, ductility, softness and stiffness, breathability and vapor permeability.
Literature
- Golyol / Yu. Ya. Soloshenko // Gogol - Debit. - M .: Soviet Encyclopedia, 1972. - (The Great Soviet Encyclopedia : [in 30 vol.] / Ch. Ed. A. M. Prokhorov ; 1969-1978, vol. 7).
- Golye // Hermaphrodite - Grigoryev. - M .: Big Russian Encyclopedia, 2007. - P. 370. - ( Big Russian Encyclopedia : [in 35 vols.] / Ch. Ed. Yu. S. Osipov ; 2004—2017, vol. 7). - ISBN 978-5-85270-337-8 .