Industrial Sodium Hydrosulfite Substitute Rongalite from Mexico
Rongalite powder serving as a stable alternative to sodium hydrosulfite in bleaching and dechlorination processes for pulp and textiles. HTS 2831.10.1000 applies directly as sodium formaldehyde sulfoxylate, distinguished from dithionites in the same heading. Its formaldehyde stabilization qualifies it under Chapter 28's specific inclusions.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Label as 'non-hazardous' only if stabilized properly; UN 3334 for transport if applicable
• Bulk imports require warehouse storage specs for hygroscopic nature