China Button Industry Network teaches you how to identify buttons
In our common buttons, it can be roughly divided into plastic buttons (plastics, resins), metal buttons, natural buttons, etc. Each button is different in its production process. Although some buttons look the same in appearance, the use of internal materials is totally different. Cement Shoes,Safety Boots,Steel Toe Shoes,Steel Toe Work Boots Huaying Shoes Co. Ltd , https://www.hyashoes.com
For plastic buttons and resin buttons, since the plastic buttons are all formed by die-casting, there will be a line at the edge of the button. This is called a mold line. Some factories may remove this line during subsequent processing, and the appearance will become close to the resin button. However, the same amount of plastic buttons are lighter than the resin buttons, and the surface of the resin buttons will be smoother, but they are easily scratched and chipped. If placed in water, the resin buttons may also become soft.
In contrast, copper buttons and iron buttons are much more distinguishable. They can be tested with magnets, or they can be scratched off with a hard object. If the brass is brass, the inside is a copper button. If it is black, Iron button. In the metal buttons, there is a type of button called alloy buttons. Due to the die-casting, the alloy buckles are relatively heavy, and it will obviously feel that the interior is solid.
This article comes from China Button Industry Network