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HTS code reference›Chapter 25: Salt, sulfur, earth and stone; plaster, lime and cement›2510

HTS Code 2510

Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk:

Official tariff path

Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk:

Level: headingGeneral duty: Varies / see child provision

What does HTS 2510 cover?

This provision appears in the 2026 Harmonized Tariff Schedule of the United States under the following legal tariff hierarchy. A product must match the wording and applicable section or chapter notes before this code is used on an entry.

  1. 1Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk:

More specific provisions

2510.10.00.00Unground2510.20.00.00Ground
Official source and limitations

Based on USITC HTS 2026 Revision 12, published July 21, 2026. The general rate does not include every origin-specific program, Section 301 or 232 measure, antidumping or countervailing duty, quota, or other agency requirement.

Open this code in the official USITC search ↗