Alkali can dissolve the hair and the dermis. The reason why this happens is that the alkalinity in the winter sweaters is shorter and narrower.
The pores of the dermis have a breathable function and also have permeability. Therefore, alkali washing or cleaning the leather goods with a non-professional detergent, the detergent infiltrated into the dermis will corrode the dermis, destroy the internal structure of the dermis, and shorten the period of use of the dermis. Washing or cleaning expensive leather goods with non-professional cleaners, especially high-end car leather, is very uneconomical, not for the wise.
Leather should not be washed, not dry when washing, easy to mold. The dark spots appearing near the window part of the leather sofa are usually the mildew that comes from the rain. Leather sofas often wiped with a damp cloth are prone to mildew. Leather garments are often washed with water, and they tend to harden and crack. Cuffs are often exposed to water, so they tend to harden and crack. This is why the dermis must be kept dry.
Cleaning cleaners should use professional cleaners, because professional cleaners can not only clean, but also have maintenance functions, due to the penetration of the part of the leather, and the role of non-professional cleaners is just the opposite, that is, both for maintenance, but also fill the interior of the leather volatile The part of the leather reduces wrinkles and prolongs the life of the leather goods.
Leather cleaners should meet the following requirements: The PH value of the pH should be between 5 and 7.5 (not more than 7.5), and the best is oil (can be tested by burning method: put the skin oil on toilet paper to burn), Must not contain skin cleaners and solvents.
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