A variety of buttons, how to identify their material differences.

Button materials can be divided into plastic (resin, plastic), metal buttons (copper, iron, alloy), natural (shell, wood, coconut shell, bamboo). All kinds of materials to make buttons, the process is not the same. Some buttons look the same, even industry people with eyes can not be clearly separated, so damage, scraping coat can be separated.

Buttons distinguish between plastic buttons and resin buttons,

Plastic (including all kinds of plastic) buttons are generally die-cast, so there will be a line on the edge of the button, the mold line, some factories may remove the line in the subsequent processing, but his weight will be lighter than resin (of course, some special plastic will be heavy).

Resin buttons are mechanically carved and then polished, so the surface is smooth and clean without a full mold line. But it is fragile, the surface is easy to scratch, put in boiling water will become soft.

How do you tell a copper button from an iron button? : copper and iron buttons, this use a magnet to try to know, there are hard things to scrape off the surface of the electroplating, brass buckle surface (gold). The iron buckle is black, which is the raw color.

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