Leaded Anti-Knock Compound Sludge Residue from Mexico
Sludge byproduct from the production and purification of lead-based anti-knock compounds like tetraethyllead for gasoline additives. Classified under HTS 2620.21.00 due to its high lead content and industrial application in recovering metals or manufacturing lead compounds. Meets heading 2620 criteria for residues used in industry.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit detailed chemical analysis confirming 'mainly lead' composition to comply with heading 2620 specifications
• Include end-user declarations specifying extraction or chemical manufacturing use to prevent misclassification
• Avoid common pitfalls by segregating from iron/steel manufacturing slags, which fall outside this chapter