Water Treatment Phosphoric Acid 81%
81% phosphoric acid for corrosion control and scale prevention in cooling water systems. Classified under HTS 2809.20.00 as pure polyphosphoric acid for industrial water treatment.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | +35.0% | 35% |
| 🇲🇽Mexico | Free | +10.0% | 10% |
| 🇨🇦Canada | Free | +10.0% | 10% |
| 🇩🇪Germany | Free | +10.0% | 10% |
| 🇯🇵Japan | Free | +10.0% | 10% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If as formulated scale inhibitor
Prepared water treatment chemicals classify as mixtures in 3824.
Not sure which classification is right?
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Import Tips & Compliance
• Include EPA registration if claiming specific water treatment formulations
• Document pH adjustment capabilities for system compatibility
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