- Home
- Chapter 28
- Heading 2809
- Subheading 2809.20
HS Code 2809.20
Phosphoric acid and polyphosphoric acids
2809.20.00
General Duty: Free
Phosphoric acid and polyphosphoric acids
2809.20.00.10
THN
Containing less than 65 percent available diphosphorus pentaoxide (P<sub>2</sub>O<sub>5</sub>) equivalents
2809.20.00.20
THN
Other
2809.20.00.30
THN
Other
2809.20.00.40
THN