Industrial Sodium Hydrosulfite Substitute Rongalite from China
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 — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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