Button materials are roughly divided into plastic (resin, plastic), metal button (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 may not be able to distinguish clearly, so damage, scrape the coat to distinguish.

Buttons distinguish plastic buttons and resin buttons, plastic buttons and resin buttons, plastic (including a variety 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 this line in the subsequent processing, but its weight will be lighter than resin (of course, some special plastic will be heavy). Resin buttons are mechanically carved and then polished, so there is no full mold line on the surface, very smooth. But it is fragile, scratches its surface easily, and softens when left in boiling water.

How to determine whether it is alloy button?

The alloy buckle is relatively heavy and is made of die casting. All the die lines are generally polished and polished. It may not be visible, but it is heavy and solid.

How can you tell a copper button from an iron button?

Copper and iron buttons, this with a magnet to know, and use a hard object to scrape the surface electroplating, copper buckle surface in the copper (gold). The iron buckle is black, which is the raw material color.

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