... producer with 2 factories 3.Low B&PSilicon metal:Grade:553/441/421/3303/2502/2202Size:10-100mm ,90%minPacking: ... high purity of all grade Silicon Metal ,such as #553,#441,#421,#3303,#2202#,2502 with low P&B.Should ... content(%) FeAlCaP1515>99.6%≤0.15-≤0.015≤0.004%2202>99.5%≤0.2≤0.2≤0.02≤0 ... .004%2203>99.5%≤0.2≤0.2≤0.03≤0.004%2503>99.5%≤0. ... 2-≤0.03≤0.004%3103>99.4%≤0.3≤ ...