Germanium Zone-Refined Stick from Mexico
Ultra-pure germanium stick produced by zone refining for fiber optic preforms. Classified as germanium under HTS 8112.99.10.00 in stick form. Achieves impurity levels below 1ppb for telecom applications.
Duty Rate — Mexico → United States
4.4%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Document zone-refining process to prove unwrought status vs. fabricated
• Ensure cleanroom packaging to maintain purity claims at entry