Medal products will easy Oxidation fading in the wet environment. The plating color will fade as time pass. Even very good quality medals will become bad if use and keep in not good method. Such as people rub metal medals with wet hand after washing hand. To let metal medal maintenance in good situation and will look new for long time, Gowin Gifts factory (gowingifts.com)will tell you some tips as below.
Tips of medal maintenance.
1, Iron medals and zinc alloy medals. We can painting / spraying Corrosion inhibitor, phosphate, tannate, wax or polymer material on surface. And let the medals in dry environment will very importance too.
2, Brass medals/ bronze medals have to protect Stability characteristics avoid oxidation. Soak in 5% sodium sesquicarbonate solution, Metal corrosion inhibitor treatment and with dry environment will good help.
3, We should put the Real gold medals into gift box, Cotton cover or other bags to avoid any Collision and friction.
4,Sterling silver medals will become dark as Sulfur-containing substances. It is also impacted by chloride corrosion, forming silver chloride on medal’s surface. Light and Low temperature will not problem for medals, but it should lay in dry and Clean air.
Summary.
For all material medals, medals should be kept in a good environment and not hit medals by anything. If there will be ok for you, it will be better to have a protect layer outside medals, such as cotton and copy paper, even there will be no gift box.
The above is the knack of medal maintenance for you refer. Pls conact us (Gowin@gowingifts.com)if you would like to design own medals, we are a pfofessional manufacturer of metal medals in South of China for about 10 years. There will be free artwork send for approved before moulding, We have full experience of moulding, plating, enamel injected etc process.
Welcome your new inquiry. (Gowin@gowingifts.com)