Tetenal Superfix Hardener from Mexico
A liquid hardener added to fixing baths to strengthen emulsion on films and papers, preventing softening during washing. Classified in HTS 3707.90.32 as a chemical preparation for photographic processing, retailed in convenient dropper bottles.
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
• Include hardening agent specs (e.g
• alum content) linked to photo emulsion protection
• Declare as non-hazardous if diluted; concentrates need proper ORM-D labeling