Symbol of element of gold is “Au”

Color of pure gold: red yellow

Density: 19.3 g/cm3

Moh's hardness: 2.5

Electrical resistivity: 2.05×10^-8(Ω•m) （20℃）

Gold is inert, which could only be dissolved in aqua regia and other corrosive substances.

According to the product process, gold mesh can be divided into gold woven wire mesh, gold expanded metal.

Application: Used in all kinds of instrument analysis of current conveyor, signal transmission.