Features: The main purpose of metallic magnesium is to manufacture: A. Various magnesium salts, B. Refractory materials, C. Light metal, D. Silver-white anti-rust paint Main ingredient: Mg > 99.99%, Al: 5.85 ppm, Si: 4.10 ppm, Mn: 6.40 ppm, Fe: 7.82 ppm, Zn: 8.09 ppm Characterized by weak alkalinity, negative potential, reducing property, low dissolution, and high safety Package contains 500g of magnesium balls, approximately 0.5-1.2mm in size Magnesium generates high temperature during combustion and can be used as a thermite for welding steel rails Aluminum and magnesium alloys can be produced by adding metallic magnesium to aluminum, offering the benefits of high strength and low density Specification: Name: Magnesium Metal Granules Main ingredient: Mg > 99.99%, Al: 5.85 ppm, Si: 4.10 ppm, Mn: 6.40 ppm, Fe: 7.82 ppm, Zn: 8.09 ppm Weight: Approx. 500 g / 17.6 oz Package List: 1 set * 500g Mg Metal Granule Balls