1, Silicon Metal 441 10-100MM 90%min 2, Si: 98.5%min,Fe: 0.4%max,Al: 0.4%max,Ca:0 ... .1%max 3, Size:10-100mm90%min ZHEJIANG ZHONGCHENG:WE OWNS 7*12500KVA Silicon furnaces with an ... -60PPM10-100MM 90% MIN5530.50.50.330-60PPM10-100MM 90% MIN Silicon Metal 441 10-100MM 90 ...