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nature : it refers to the skins soften, also known as enzyme or enzyme Sophie soft. Tannery stage of a preparation process. From Ash to the bare skin, using ammonium conditioning alkaline (pH about 8.0) and the next of hyperthermia (38 ° C), with trypsin and (or) protease preparation solution, remove the skin residue decomposition on hair roots, grease, lipids and other substances, and some material and non-collagen degradation products and further eliminate Paper expansion, while enabling Paper fiber light scattered by osteoporosis. To soften the bare leather goods have a good air permeability, and made of soft leather and meticulous comparison, resilient and extensible. Ordinary light-Gram have to soften.
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