Heading 25.30
US HTSMineral substances not elsewhere specified or included
3 subheadings · 6 tariff lines
Code / DescriptionMFN Rate
2530.10.00Vermiculite, perlite and chlorites, unexpanded
FreeCode / DescriptionMFN Rate
2530.20.10Kieserite
Free2530.20.20Epsom salts (natural magnesium sulfates)
FreeSource: US International Trade Commission (USITC). For informational purposes only. Consult the official HTS and a licensed customs broker for binding rates.