Customized Silicon Metal Metal silicon is made from quartz and coke in electric heating furnace smelting products. The main ingredient of silicon content is about 98%. The rest of impurities is iron, aluminum and calcium etc. it's the major raw materials of aluminum alloy ingots, polycilion and silicone. Typical models includes: Silicon Metal 2202; Silicon Metal 3303; Silicon Metal 441; Silicon Metal 553, Silicon Metal Off Grade. What is the Off Grade 97% Silicon Metal ? Off Grade 97% Silicon Metal with silicon content more than 97% Specification Grade Chemical composition(%) Si Fe Al Ca 鈮? 鈮? 2202 99.58 0.2 0.2 0.02 3303 99.37 0.3 0.3 0.03 411 99.2 0.4 0.04-0.08 0.1 421 99.3 0.4 0.2 0.1 521 99.2 0.4 0.4 0.1 441 99.1 0.4 0.4 0.1 553 98.7 0.5 0.5 0.3 98 98.2 0.7 0.8 0.3 Size:10-100 mm, 3-10mm, 0-3mm or as customers鈥?requirements. Remark: chemical composition and size can be optimized by the customers' requirements. Usage锛?/strong 1. Silicon metal is widely used in smelting alloy elements, as a reducing agent in many kinds of metal smelting. 2.Solar industry and electronics industry Metallic silicon is also important to the electronics industry because it is the base material used to make high purity polysilicon. These products are used in the manufacture of semiconductors, microchips for computers, and solar cells for capturing electrical energy from the sun. Packing :25Kg/bag, 1MT/bag or as your requirements. FAQ : 1. Q:Are you a manufacturer, trading company or a third party? A:We are a manufacturer, and we have builded up our company since 2002. 2. Q:Do you accept custom design on size? A:Yes, if the size is reasonable. Customized Silicon Metal website:http://www.zhongxing-silicon.com/silicon-metal/