产品概要： Product features: 1. Sponge zirconium, also known as metallic zirconium, is a silver-gray metal, which looks like steel and is shiny; it is an active metal that forms an oxide film at room temperature and has very strong corrosion resistance; zirconium has super high The hardness and strength, and also has good mechanical and heat transfer performance; has excellent light-emitting characteristics;