HS Code 2510.10.0000
Unground — US Import Duty
Official Description
Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk: > Unground
Hierarchy: Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk > Unground
US Duty Rates (2026 HTS)
General Rate (MFN)Free
Unit of MeasureT
Possible Additional Duties
- Section 301 Brazil TariffThe duty provided in the applicable subheading + 25% (origin: BR)
- Section 301 "Forced Labor" AlgeriaThe duty provided in the applicable subheading + 12.5% (origin: DZ)
- Section 301 "Forced Labor" AngolaThe duty provided in the applicable subheading + 12.5% (origin: AO)
- Section 301 "Forced Labor" ArgentinaThe duty provided in the applicable subheading + 10% (origin: AR)
- Section 301 "Forced Labor" AustraliaThe duty provided in the applicable subheading + 12.5% (origin: AU)
- Section 301 "Forced Labor" BahamasThe duty provided in the applicable subheading + 12.5% (origin: BS)
Applicability depends on country of origin and date of entry. Run the calculator for the full duty stack.
Classification
- Chapter
- Chapter 25 — Salt; Sulfur; Earths and Stone; Plastering Materials, Lime and Cement
- Heading
- 2510 — Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk
Related Codes in this Heading
Common Questions
What is the US import duty for HS Code 2510.10.0000?
The general (MFN) duty rate for HS Code 2510.10.0000 (Unground) is Free. Use the calculator for an exact landed-cost estimate.
Are there additional tariffs on HS Code 2510.10.0000?
Yes — Chapter 99 measures may apply, including Section 301 Brazil Tariff, Section 301 "Forced Labor" Algeria, Section 301 "Forced Labor" Angola, among others. Applicability depends on the country of origin and entry date.
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