Introduction and inspection standard of corns button

Corns (air) buttons: commonly known as corns, air eyes, mainly used for clothing, bags, handbags, belts, shoes, packaging and other supplies. The product is generally made of 62# copper or 65# copper, or iron or stainless steel. It is usually used with meson/gasket. The surface of the product can be electroplated in different colors, such as blue bronze, laksa, deepkratak, shallow kratak, red bronze, etc. Can also be spray, screen printing, laser processing, styles can be made bilateral/pressure, unilateral, oval, heart, etc.

Standard for inspection of corns
1. Check whether there are scratches and oil stains on the metal surface of the corns and whether they are deformed.
2. If it is electroplating corns, check whether the color of electroplating is correct, whether there is mutual adhesion and deplating phenomenon.
3, with the supporting mold test dozen a few grains to see whether it can be used normally, whether there is a crack, deformation, etc.