Button materials can be broadly classified into plastics (resins, plastics), metal buttons (copper, iron, alloys), and natural types (shells, wood, coconut shells, bamboos. All kinds of materials must be made into buttons. The process is not the same. 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 their coats will make them clear. Want to learn more about buttons: accessible Optical glasses according to the current fashion style, popular elements into design, specially for facial modification, can better show the taste. Using high quality materials, every detail shows excellent quality and exquisite technology. The perfect handling in detail, the flexible use of single color, the fashionable and rich style, and the practical basis make the modern fashion more conspicuous. Fashionable and commendable innovative style and traditional techniques, durable quality and exquisite craft have good reputation among consumers. Optical Glasses,Original Optical Glasses,Fashion Optical Glasses,Custom Optical Glasses China Guangdong Shenzhen city Omelle glasses Co., Ltd. , https://www.pticalomelleo.com
Buttons distinguish between plastic buttons and plastic 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 was removed in subsequent processing, but its weight is 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 (copper) 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. 
April 26, 2023