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SITCSection 5
U.S. imports of cellulose ethers in primary forms (SITC 57554) totaled $32.5M in April 2026, traded with 28 countries.
Importers of Cellulose Ethers in Primary Forms paid $1.8M in duties in April 2026 — an effective duty rate of 7.9% on $22.9M in dutiable value, based on actual customs collections rather than the published tariff schedule. Cellulose Ethers in Primary Forms imports of $32.5M in April 2026 ran 15% above the year-to-date monthly average of $28.3M.
Last updated: April 2026 dataCellulose ethers — including methylcellulose, ethylcellulose, hydroxypropyl methylcellulose (HPMC), and carboxymethylcellulose (CMC) — are chemically modified cellulose derivatives traded in primary forms such as powders, granules, and flakes. Their water-retention, thickening, and film-forming properties make them critical inputs for construction chemicals, pharmaceutical tablet coatings, food additives, and personal care formulations. Classification hinges on the specific ether type and degree of substitution, which can affect both the applicable HTS subheading and end-use regulatory requirements. Importers should verify whether the specific grade triggers FDA review for food or drug contact applications.
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Classification depends on the chemical identity of the ether substituent (methyl, ethyl, hydroxyethyl, carboxymethyl, etc.) and the degree of substitution. Importers should provide technical data sheets specifying the ether type and viscosity grade to support correct tariff classification and avoid reclassification at the port of entry.
Yes. Grades intended for pharmaceutical tablet coatings or as food additives may be subject to FDA review under food additive or drug excipient regulations. Importers should confirm the intended end-use and ensure the product meets applicable FDA specifications before shipment.
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Monthly import values over time