Benzotriazole from Canada
Benzotriazole prevents corrosion of processing equipment and acts as a silver image stabilizer in photographic films. This triazole derivative chelates metal ions in developer solutions. Classified as aromatic photographic chemical HTS 2934.99.20.00.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Provide chelation efficiency data for metal protection
• Low dosage documentation prevents bulk chemical classification
• Distinguish from automotive antifreeze additive applications