Silicon Metal 1.Specification & Quotation: SPC. Si Fe Al Ca #3303 99 0.3 0.3 0.03 #3305 99 0.3 0.3 0.05 #441 99 0.4 0.4 0.1 #553 98.5 0.5 0.5 0.3 2.Size: 10mm-100mm, 90%min 3.Packing: 1mt/bag 4.Quality Certification: C.I.Q. 5.Minimum Order: 1 X 20?FCL 6.Delivery Time: Within 15 Days