Naval Brass Propeller Scrap from Mexico
Corroded naval brass (63% Cu, 36% Zn, 1% Sn) propeller fragments from marine salvage, copper <94%. Copper-zinc alloy per note (a). Saltwater exposed scrap.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Rinse salt residue; high chlorides cause shipping corrosion issues
• Quarantine inspection for zebra mussels/quarantine pests
• Galvanic separation from aluminum/steel ship scrap required