Mordant Black 17 Dye from Canada
Mordant Black 17 is a synthetic organic dye requiring metal mordants for fixation on wool and leather. HTS 3204.19.50.00 covers it as other synthetic coloring matter. Produces deep black shades with excellent fastness when after-treated.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include mordanting procedure in technical file to distinguish from acid dyes
• No mordant included; sets classify differently if sold together
• Check for tanning derivatives exclusion per chapter note (b)