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See Chinese contents: GB/T 12963-2009 GB/T 12963-2009: Specification for polycrystalline silicon
This Standard specifies the product classification, technical requirements, test methods, inspection rules, mark, transportation as well as storage for the polycrystalline silicon. The polycrystalline silicon, which is manufactured from trichlorosilane or silicon tetrachloride by hydrogen reduction method, is applicable to this Standard.
