Mordant Black 8 Dye from Japan

Mordant Black 8, specifically named in HTS 3204.12.17.00, requires metal mordants (chromium, aluminum) for fixation on wool and leather. Provides jet black shades with superior fastness. Traditional use in worsted wool suiting and upholstery fabrics.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Include mordanting procedure specifications showing after-treatment required for color development

• Test for chromium VI content - must be below 0.05% per EU REACH standards (also monitored by CBP)

• Avoid combining with other dyes in shipment to prevent mixture classification issues