Traditional Culture Encyclopedia - Hotel accommodation - What is the English letter of platinum?

What is the English letter of platinum?

PT, such as PT950 and PT990, refers to the purity of platinum. Now there are also platinum-like ornaments on the market, such as PD950. The service girl at the teller will lie to you that it is platinum, but don't be fooled. It must have the word PT to be the real platinum (commonly known as platinum).