What is the difference between metal Silicon 553 and metal silicon 441

      Both metal Silicon 553 and metal silicon 441 belong to metallic silicon, the difference lies in their different silicon content and iron, aluminum and calcium content. The content of metallic silicon 553 is 98.7%, among which the content of iron, aluminum and calcium is 0.5%, 0.5% and 0.3% respectively.The content of silicon 441 is 99.1%, among which the content of iron, aluminum and calcium is 0.4%, 0.4% and 0.1%, respectively.Their appearance is basically the same metal color, texture is hard and brittle.