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What materials are all kinds of buttons made of?
Button materials can be roughly divided into plastic (resin, plastic), metal buttons (copper, iron, alloy) and natural buttons (shell, wood, coconut shell, bamboo.

The process of making buttons from various materials is different. Some buttons look the same in appearance, and even people in the industry may not be able to distinguish them clearly with their eyes, but only by destroying and scratching their coats.

Technology of plastic buttons and resin buttons

1, plastic (including all kinds of plastics) buttons are usually die-cast, so there will be a line on the edge of the button. Some factories may remove this line in subsequent processing, but its weight will be lighter than that of resin (of course, some special plastics will be heavier).

2. Resin buttons are mechanically carved and polished, so the surface is not full of mold lines, which is very smooth. But it is fragile, the surface is easy to scratch, and it will soften when put into boiling water.

Extended data:

The historical origin of buttons

1. Buttons are daily necessities that people often accompany. It has been used for more than six thousand years. As early as 4,000 years ago, the Persians, the ancestors of Iran, had made buttons out of stones.

2. In the Zhou Dynasty, China began to adopt the system of coat and skirt, and both men and women wore two clothes under the coat. At that time, the use of clothing was relatively standardized and the clothing system was relatively complete. The word "new" appears in Zhou Li and Li Ji, which reflects the etiquette of Zhou Dynasty. The word "new" is a knot that is tied together, that is, a heart knot.

According to my collection of Western Zhou bronze buttons and domestic archaeological discoveries, buttons were used in the Spring and Autumn Period and the Warring States Period. Among the Warring States cultural relics unearthed in Shizhai Mountain, Jinning, Yunnan, buttons with round, oval, animal head and irregular shapes have been made of blue, apple green and light gray turquoise. Each has one or two small holes.

4, some carved patterns, unique shape, gorgeous and colorful, with wonderful wax luster. In the collection of buttons, there are still simple buttons made of small stones, shells, animal horns, walnuts and coconut shells. This shows that China people used buttons in the Zhou Dynasty, the Spring and Autumn Period and the Warring States Period.

5. In the middle of the ancient grave era unearthed in Japan, the pattern displayed on the wheel made of human figure shows that the male clothing consists of clothes and skirts, and the clothes are narrow-sleeved tops, and the front chest is connected with buttons.

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