Silicon for polysilicon

Elkem has since the early 1970's delivered Silgrain®, a unique grade of metallurgical silicon, to the electronics industry. Our Silgrain® provides benefits to producers of trichlorosilane for production of polysilicon used in the electronic and solar industry.

Silgrain®

The unique Silgrain® process, a leaching process developed by Elkem in the late 1960’s, provides a silicon powder of high homogeneity in chemistry, size and grain structure. Our Silgrain® provides benefits to producers of trichlorosilane for production of polysilicon used in the electronic and solar industry.

Silgrain® CG

The unique Silgrain® process, a leaching process developed by Elkem in the late 1960’s, provides a silicon powder of high homogeneity in chemistry, size and grain structure.

Silgrain® HQ

Silgrain® HQ is a high purity silicon powder with an iron content less than 0.05 %. Our Silgrain® HQ quality is produced by performing an additional purification step after our unique Silgrain® process.