Lead-Bismuth Eutectic Alloy for Heat Pipes from Mexico
Unwrought eutectic mixture of lead and bismuth with low melting point for nuclear reactor heat transfer systems. Classifies under HTS 7801.99.90.30 as lead alloy where lead predominates under 99%. Used in advanced cooling applications.
Duty Rate — Mexico → United States
12.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Secure NRC pre-approval for nuclear-related materials
• Provide melting point analysis confirming eutectic composition
• Use specialized low-temperature transport containers