In the development history of shoe industry, the progress and innovation of shoe material technology is enough to change the development direction of the industry. The emergence of new materials has brought more choices to the selection of shoes.
Mechanical derusting method, the main methods are scraping, sandpaper grinding, brushing, grinding, polishing, etc. Chemical derusting, also known as pickling derusting, uses the corrosiveness of strong acid to corrode the oxide layer of metal, so as to obtain a smooth metal surface (in order to prevent the acid washing liquid from corroding the metal
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