Manganese Naphthenate Fuel Stabilizer
Manganese naphthenate, a naphthenic acid salt, functions as an oxidation inhibitor in diesel and aviation fuels to prevent gum formation. HTS 3824.99.7550 covers such other water-insoluble salts used in petroleum additives. It extends fuel shelf life in storage and transport.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If predominantly petroleum-based with minor salts
Mainly petroleum oil mixtures exclude from 3824 per chapter exclusions.
If as oxidation inhibitors for specific fuels
Antiknock/anti-oxidant preparations for petrol/gas oils have dedicated subheadings.
If for generic fuel additives sans naphthenic salts
Lack of specific naphthenic composition routes to residual chemical prep codes.
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Import Tips & Compliance
• ASTM testing certs required for fuel additive claims; declare concentration levels accurately
• EPA fuel additive registration mandatory; watch for anti-dumping on certain origins
Related Products under HTS 3824.99.75.50
Cobalt Naphthenate Catalyst for Polyester Resins
Cobalt naphthenate serves as an accelerator in unsaturated polyester resin curing for fiberglass composites. As a water-insoluble naphthenic acid salt, it fits HTS 3824.99.7550 for other such preparations. Used in boat building, automotive parts, and corrosion-resistant tanks.
Lead Naphthenate High-Temperature Lubricant Additive
Lead naphthenate provides extreme pressure protection in high-temperature greases and metalworking fluids as a naphthenic acid salt. HTS 3824.99.7550 includes such industrial water-insoluble salts. Applied in forging, drawing, and heavy machinery.
Calcium Naphthenate Rubber Vulcanization Accelerator
Calcium naphthenate accelerates sulfur vulcanization in tire and rubber compound production as a naphthenic metal salt. Falls under HTS 3824.99.7550 for other such preparations in polymer processing. Improves cure rate and scorch safety.
Naphthenic Acid Methyl Ester Biodiesel Solvent
Methyl esters of naphthenic acids used as co-solvents in biodiesel production to improve cold flow properties. Classified as HTS 3824.99.7550 other naphthenic esters for fuel applications. Derived from tall oil naphthenates via transesterification.
Iron Naphthenate Catalyst for Olefin Polymerization
Iron naphthenate functions as a single-site catalyst precursor in late-transition metal olefin polymerization for polyethylene production. HTS 3824.99.7550 covers other naphthenic salts in petrochemical catalysis. Enables branched polymer architectures.
Sodium Naphthenate Flotation Collector
Despite subheading focus on water-insoluble salts, sodium naphthenate (soluble variant) is sometimes included; used as ore flotation collector in mineral processing. HTS 3824.99.7550 for other naphthenic preparations in mining. Selectively floats copper/molybdenum sulfides.