Cadmium is one of the transition-metals with chemical symbol Cd and atomic number 48. It is a solid and silvery-white metal at normal pressure and temperature. Cadmium metal is widely used in the nickel-cadmium batteries and also in the plating of hooks and latches especially in some airplanes part. It's plating is very corrosion-resistant.
The Yellow of Cadmium it's loved by many impressionists for its intense tonality. However Cadmium is highly toxic, like other heavy metals. Even if sold in small quantities it is absolutely obliged to don't touch it without latex gloves.
On the right picture: The resina casting option, it prevents any contact with this metal and also it prevents the oxidization in the air of it.