Amorphous Germanium Dioxide Glass from Mexico
Vitreous GeO2 used in specialty optical fibers. Still pure germanium oxide under HTS 2825.60.00; glass form doesn't change chemical classification.
Duty Rate — Mexico → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Refractive index measurement (nD=1.607) confirms pure GeO2 glass identity
• Distinguish from Chapter 70 optical glass via chemical purity documentation
• Hydroxyl (OH) content specification critical for fiber optic grade