1, rhodium-the most expensive precious metal in the world
Rhodium metal is usually used in lighting industry and mirror production; Used as catalyst and headlight reflector in automobile industry; Rhodium is also called jewelry, especially the scratch-resistant surface of "platinum". Rhodium can be used as a bright and hard coating for other metals, such as silverware or camera parts. Rhodium evaporates on the glass surface to form a thin layer of wax, which can make a very good reflector.
2. Palladium-an indispensable key material for aerospace and automobile manufacturing.
Palladium is an indispensable key material in high-tech fields such as aerospace, aviation, navigation, weapons, nuclear energy and automobile manufacturing. For example, the most common use of palladium is catalytic converter, which can convert up to 90% of all harmful gases in automobile exhaust into less toxic substances. Especially in the international precious metals investment market.
3. Gold-Gold has outstanding anti-inflation and hedging functions.
Gold is widely used, especially as a commodity collection and trading, which is not only used in jewelry, but also plays a very important role in aerospace, medicine, electronics and other industrial fields.
Iridium is the most corrosion-resistant metal.
Iridium is usually used in metallurgy, medicine, automobile industry, electronics, aviation and other fields. Pen tip, bearing and balance of compass, surgical instruments, computer storage equipment, solid-state lasers, small thrust rocket engines and other products are all made of this metal. It can even be used to treat cancer, but this material is not suitable for jaw crusher.
5. Platinum-The most precious thing about platinum is that it will never fade and never change color.
As a precious metal, platinum is used in jewelry and many industrial applications, including fuel cells, dentistry, electronic components, medical care, glass and petroleum. Laboratory equipment, anticancer drugs, hard disks, spark plugs, turbine engines, etc. Both involve platinum.