ONontonexa
Menu
HS Code LookupValidate CodeProduct GuidesHTS Codes
HTS code reference›Chapter 25: Salt, sulfur, earth and stone; plaster, lime and cement›2528.00.00

HTS Code 2528.00.00

Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight

Official tariff path

Natural borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight

Level: hts8General duty: Free

What does HTS 2528.00.00 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 borates and concentrates thereof (whether or not calcined), but not including borates separated from natural brine; natural boric acid containing not more than 85 percent of H3BO3 calculated on the dry weight

More specific provisions

2528.00.00.05Natural sodium borates and concentrates thereof (whether or not calcined)2528.00.00.10Natural calcium borates2528.00.00.50Other
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 ↗