Sulfur Black Mixture CI 53185/53190 from Canada
Blended sulfur black using CI 53185 and 53190 for uniform deep black on viscose rayon. Still qualifies for HTS 3204.19.30.00 as mixtures of listed sulfur blacks. Used in carpet and upholstery dyeing.
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
• List all component CI numbers on commercial invoice for blend verification
• Ratio documentation prevents 3204.19.40 reclassification