silicon metal 441

1.grade:441,553,2202,3303,411,421; 2.competitive price with good quality; 3.specizling in silicon metal; Apperance:Dark grayPhysical Property: High melting point and resistivity, good heat resistance and good anti-oxidation effect.Particle Size: (10-100)mm.Composition Analysis

Application: 1. Used in aluminum: An additive to aluminum alloys, silicon is used to increase the fluidity and tenacity of Aluminum and its alloys, which enjoy good castability and weldability accordingly. 2. Used in organic chemicals: Silicon metal is used in manufacturing a number of sorts of silicones, resins, and lubricants. 3. Used in electronic parts: Silicon metal is used in producing monocrystalline and polycrystalline silicon of high purity for electronic parts, such as semi conductors, etc.

 

 The main grades our products cover:

Grade	Si	Fe(max)	Al(max)	Ca(max)	P(max)
553	98.5%min	0.50%	0.50%	0.30%
441	99% min	0.40%	0.40%	0.10%
4502	99% min	0.40%%	0.50%	0.02%	30ppm
421	99% min	0.40%	0.20%	0.10%	50ppm
411	99% min	0.40%	0.10%	0.10%	50ppm
3303	99% min	0.30%	0.30%	0.03%	30ppm
2202	99% min	0.20%	0.20%	0.02%	100ppm
2202	99% min	0.20%	0.20%	0.02%	30ppm
1101	99% min	0.10%	0.10%	0.01%	15ppm

silicon metal 441