... 3.ISO9001:2008 Metal silicon lump 5531. China industrial silicon lump 553 for aluminum alloy, ADC12, A3562.2. Size: 10-100mm ... , high resistivity and strong anti-oxidation functions. Application:Silicon Aluminum Alloy manufacturing, ADC12, A356, etc.Organic Silicon manufacturing, such ... silicon field. Safe Packing and Container Loading: China industrial silicon lump 553 for aluminum alloy, ADC12, A356