News on purity

News on suppliers, market trends and technology innovations in polysilicon and wafer production is selected, assessed and written for you by Bernreuter Research.

The ten most popular posts from Bernreuter Research on LinkedIn in 2025

The top 10 posts from Bernreuter Research on LinkedIn in 2025

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The Polysilicon Market Outlook 2029, Hanwha’s corporate raid of REC Silicon and the accident at OCI’s plant in Malaysia are the top themes among the posts from Bernreuter Research on LinkedIn in 2025.

Marketing claim of a purity of “up to 12 nines” by Hemlock Semiconductor for its electronic-grade polysilicon, at the CRU Silicon Market Forum 2025 in Lyon on September 25, 2025

A silicon purity of 12N only exists in the world of marketers

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Although claimed again and again, a purity of 99.9999999999% (twelve nines or briefly 12N) is not achieved in the production of electronic-grade polysilicon for semiconductors.