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See Chinese contents: GB/T 2881-2023 GB/T 2881-2023: Silicon metal
This document specifies the classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificate and order (or contract) contents of silicon metal. This document applies to silicon metal produced by smelting carbonaceous reducing agents and silica in a submerged arc furnace, which is mainly used for preparing alloys, producing polysilicon and producing organic silicon.
