Pure Silicon Metal
Pure Silicon Metal
Pure Silicon Metal
Pure Silicon Metal

Pure Silicon Metal

The production of Pure Silicon Metal involves the reduction of high-purity quartz (SiO₂) with carbon in submerged arc furnaces at temperatures exceeding 2000°C.

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Product Introduction

Pure Silicon Metal Description

What are some of the uses of silicon metal? *

25 to 30% of silicon metal output is required to make polycrystalline silicon for the semiconductor and solar industry.

45 to 55% of silicon metal is refined for metallurgical grade silicon used to make aluminum alloys or 'Silumin' – lightweight and strong metal alloy for the automotive and transportation sectors.

Only 25 to 30% of silicon metal is further refined through a hydro-metallurgical process to make chemical-grade silicon metal for silicone rubber and silanes.

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Pure Silicon Metal Composition

Elements	Standard	Chemical Grade	Electronic Grade	High Purity
% Si (mín.)	98,50	98,50	98,50	99,0
% Fe (máx.)	0,50	0,40	0,50	0,20
% Al (máx.)	0,50	0,25	0,30	0,02
% Ca (máx.)	0,30	0,03	0,03	0,03