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Sulfur Sand from Salt Domes

Fine-grained sulfur sand recovered from salt dome deposits via mining, a natural form of elemental sulfur. The sand is in a crude state with no processing beyond mining and screening, and it is not sublimed, precipitated, or colloidal, so it falls under 2503.00.00.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
🇨🇳ChinaFree—Free
🇲🇽MexicoFree—Free
🇺🇸United StatesFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

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Import Tips & Compliance

• Confirm the sand is naturally occurring and not a byproduct of chemical processes

• Provide CBSA with the mining location and a sieve analysis, and ensure the sand is not mixed with other minerals that could affect classification

Related Products under Tariff item 2503.00.00

Bolivian Huari Huari Sulfur

High-purity native sulfur from the Huari Huari mine in Bolivia, hand-collected from high-altitude lagoons. The sulfur is in a crude state with minimal processing, and it is not sublimed, precipitated, or colloidal, so it is classifiable under 2503.00.00.

Bulk Crushed Sulfur Rock

Bulk crushed sulfur rock, mined and crushed from native sulfur deposits, used directly in sulfuric acid production. The crushing process is a permitted mechanical treatment under Chapter 25 Note 1, and the product is not sublimed, precipitated, or colloidal sulfur, so it falls under tariff item 2503.00.00.

Crude Natural Sulfur Ore

Crude natural sulfur ore extracted from volcanic or underground deposits, containing impurities like soil and moisture. It is in a crude state with no processing beyond washing or mechanical separation, consistent with Chapter 25 Note 1, and is not an excluded form, so it is classifiable under 2503.00.00.

Frasch Process Crude Sulfur

Yellowish sulfur blocks mined via the Frasch hot-water process from underground domes, unrefined with minor impurities. The product is crude sulfur, not sublimed, precipitated, or colloidal, and the mining process is a physical extraction, so it falls under 2503.00.00.

Frasch Process Sulfur

Molten sulfur extracted via the Frasch process and solidified into blocks, a natural mining method. The product is crude sulfur, not subjected to sublimation, precipitation, or colloidal processing, and the solidification is not a prohibited process, so it is covered by 2503.00.00.

Native Crude Sulfur Ore

Raw sulfur extracted directly from volcanic deposits or caprock formations, containing impurities like soil and rock. The ore is in a crude state with no processing beyond extraction, and it is not an excluded form, so it is classifiable under 2503.00.00.