Input-output norms for densified lamp block require imports to match the declared inputs used in export manufacture.

FTP input-output norms for Densified Lamp Block (NH Coke) specify input proportions: Lamp Black/Thermal Black (0.506 kg), Tar Pitch (volatile matter 42.3%) (0.791 kg), and Tar Oil (volatile matter 80%) (0.132 kg) per 1 kg product; the item is noted as suspended. Importers must ensure imported goods are those used or required in the export product, and authorities will determine the permissible proportions of various inputs for manufacture.

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