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The Distinction of Buttons

 Button materials can be broadly classified into plastics (resin, plastic), metal buttons (copper, iron, alloys), natural (shells, wood, coconut shells, bamboo, etc. In the same way, some buttons look the same, and even people in the trade may not be able to distinguish clearly with their eyes, so destroying and scraping the coat can be distincguished.

 Buttons distinguish between plastic buttons and resin buttons, plastic buttons and resin buttons, plastic (including plastic) buttons are generally die cast, so the buttons will have a line on the edge, this mold line, some factories may This line is removed from subsequent processing, but its weight will be lighter than the resin (of course, some special plastics will weigh). The resin buttons are mechanically sculpted and then polished, so the surface is not full-lined and is very clean. But it is fragile, the surface is easily scratched, and it becomes soft in boiling water.

 How to distinguish between copper buttons and iron buttons? : Copper and iron material buttons, this one will know with a magnet, there is a hard object to scrape off the surface plating layer, brass color (brass) in the copper buckle surface. The iron buckle is black and this is the color of the raw material.

 How to determine the alloy button? : The alloy buckle is relatively heavy and is made by die-casting. All the mould lines will generally be polished and polished and may not be visible, but its heavy weight is solid.

Sewing Round Metal Shank Button