The natural nut button is usually divided into two types according to different parts. One is the skin layer taken from the nuts, and the button is made with a brown pattern on one side; the other is on the inner layer of the nut, and the button surface has a striped or concentric pattern, much like a resin. It is difficult to distinguish clearly if the buttons of the stereotypes are not carefully identified. Due to the natural properties of fruits, care should be taken when using natural nut buttons:
1 The water swelling property is strong, because the material of fruit buckle is plant fiber, which is easy to absorb water and swell, and it can not be soaked for a long time.
2 The uniformity of color and texture is not good, the color and texture of wood are inconsistent, and the color fastness of dyeing buttons is generally 3.5.
3 Can not contact with strong oxidizing substances, so as to avoid button cracking. Resistant to weak acids and weak bases, but not in contact with strong acids and alkalis.
4 The dyeing buckle is easily discolored by ultraviolet radiation, and should be protected from sunlight when it is stored. At the same time, the button storage should be ventilated and dry, otherwise, it will be prone to mildew.
Quality standards: For the fruit buttons, there is no uniform standard in the world. There are no national standards or industry standards in China. Each production company mainly implements its own standards according to the requirements of customers and their own production experience.
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