... Silicon Metal 5531.Si 98.5%min,Fe 0.5%max,Al 0.5%max,Ca ... 0.3%max2.Size: 10-100mm 90%min 3.Packing: 1Mt bag.Zhejiang Zhongcheng is located in ... , etc, which are widely used in variety of industries, such as, aluminum alloy, organosilicone, polysilicon, electronics, ... and strong anti-oxidation functions. ApplicationSilicon Aluminum Alloy manufacturing, ADC12, A356, etc.Organic Silicon ...