在线视频国产一区,五月月色开心婷婷久久合,婷婷综合在线观看丁香,久久精品国产99国产精品,久久毛片免费,久久久国产精品免费视频,亚洲精品国产精品国自产网站

Silicon Metal

Silicon Metal

Metal silicon, also known as industrial silicon, is a product smelted from silica and carbonaceous reducing agents in submerged arc furnaces. The main component silicon content is usually above 98.5% and below 99.99%. The remaining impurities are iron, aluminum, calcium, etc. . In China, metal silicon is usually divided into different grades such as 553, 441, 421, 3303, 2202, and 1101 based on the content of iron, aluminum, and calcium in metal silicon.

+ Read More

Welcome to your inquiry!

Service Hotline:+86 15837207537    Whatsapp:8615837207537    Email:info@lsalloy.com