Research-Grade Fluorine in PTFE-Lined Cylinder from Mexico
99.99% pure F2 in polytetrafluoroethylene-lined aluminum cylinder for materials science research on fluoropolymers. Classified in 2801.30.10.00 as chemically defined fluorine gas per Chapter 28 Note 1.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include NIST-traceable purity analysis; CBP may test samples
• PTFE liner prevents reaction—verify thickness >0.5mm
• Small cylinder exemption under 49 CFR 173.306 possible