Si: 99.5%min,Fe: 0.2%max,Al: 0.2%max,Ca: 0.02%max,P: 30ppm. Size:10-100mm90%min Packing: Plastic woven bag of about 1mt each. ZHEJIANG ZHONGCHENG. OWNS 7*12500KVA Silicon furnaces with an annual production capacity of 50,000 tons in Yingjiang, Yunnan province. Silicon Metal, also called Crystal Silicon, is silver-gray,hard-brittle material with high melting point, good heat resistance, high ...