Button materials can be roughly divided into metal buttons copper,iron,alloy ,Natural shell,wood,coconut husk,Bamboo.All kinds of materials should be made into buttons,The workmanship is different.Some buttons look the same,Even people in the industry can't see clearly with their eyes,So destruction,Only by scraping off one's coat can one distinguish.

How to distinguish copper button from iron button Copper and iron buttons,I'll know if I try this with a magnet,And scrape off the surface electroplated layer with a hard object,The yellow copper in the copper buckle golden .The clasp is black,This is the color of the raw material.

How to judge whether it is alloy button Heavy alloy buckle,It's die cast,All die lines,Generally, it will be polished and polished,May not be visible,But it's heavy,It's solid.