Brass Foundry Zinc Skimmings Silver Bearing from Mexico
Skimmings from brass foundry melting pots, mainly zinc with silver and arsenic traces from scrap inputs, recovered industrially. HTS 2620.19.60.40 captures these non-ferrous residues with silver content under zinc heading. Used as basis for metal compounds per chapter note (b).
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
• Document foundry process to prove industrial metal recovery use; include silver content lab assays
• Avoid retail packaging; bulk shipments reinforce non-waste status
• Test for coarse particles if applicable; pitfall is alloy confusion leading to Chapter 74 misclassification