Standard input-output norms for carbon black require feedstock-to-product conversion rules and that imported inputs match export use.

Standard input-output norms prescribe permissible input-output proportions for Carbon Black (A1773), specifying conversion relationships for feedstock of required BMCI quality. Schedules determine allowable input proportions for manufacture, and applicants importing inputs must ensure the goods imported are those used or required in the export product.

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