Platinum spark plugs have a platinum disk fused to the electrode. Platinum has a higher melting point and can better withstand heat, so these plugs can last up to 100,000 miles. Iridium spark plugs have a fine wire center electrode to conduct electricity better. They are considered the hig...
Platinum (Pt): Platinum is probably the most recognized of the PGMs because of its use in jewelry, but its main application is the manufacture of catalytic converters as well as other industrial applications. Platinum has a high melting point and temperature stability, is highly corrosion oxidation...
‘Tanaka specialises in precious metals and platinum group metals. In terms of volume, it’s mostly gold and silver (about 5 tonnes per month), followed by platinum, palladium, rhodium, ruthenium, iridium and osmium. The latter are rare earths, present in products in far smaller quanti...