Technical Grade Phosphoric Acid 75% from Canada
Industrial phosphoric acid at 75% concentration for use in metal surface treatment, rust removal, and phosphate coating processes. Classified under HTS 2809.20.00 as chemically defined polyphosphoric acid meeting inorganic acid purity standards of Chapter 28. This grade is optimized for manufacturing applications requiring high acidity.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify concentration via titration analysis; levels below 68% may be deemed mixtures under 3824
• Include MSDS sheets detailing phosphorous content and impurities for CBP review