Treated Acacia Railroad Ties from Mexico
Acacia hardwood sleepers, kiln-dried and pressure-treated with micronized copper azole for durability. Meets AASHTO standards for mainline railroad use under HTS 4406.92.00.00 as nonconiferous rail sleepers.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide phytosanitary certificates confirming heat treatment above 56°C core temperature
• Label clearly as 'railway sleepers' to prevent reclassification as construction timber
• Check for CITES restrictions if sourcing from certain acacia species in protected regions