Tianjin Huihong Industrial Co.Ltd

Industrial silicon , which can also be called metal silicon, is silver grey or black with metallic luster. It has the function of high melting point, good heat resistance, high oxidation resistance, high resistivity.It is the essential basic raw materials of many high-tech industries. Silicon metal 553: Si>98.5% Fe:0.50%max, Al:0.50%max Ca:0.03%max, Silicon metal 553: Si>98.5% Fe:0.50%max, Al:0.50%max Ca:0.03%max, Our company have our own factories of silicon metal and can produce all kinds of specification of silicon metal, especially high purity grade, such as 553, 441, 2202, 3303.We think the quality we use will be totally satisfactory to you.Our products cover main grades of silicon metal:GradeSiFeAlCaP55398.5%0.50%0.50%0.30% 44199%0.40%0.40%0.10% 450299%0.40%0.50%0.02%30ppm42199%0.40%0.20%0.10%50ppm41199%0.40%0.10%0.10%50ppm330399%0.30%0.30%0.03%30ppm220299%0.20%0.20%0.02%100ppm220299%0.20%0.20%0.02%30ppm110199%0.10%0.10%0.01%15ppm