Copper Naphthenate Wood Preservative
Copper naphthenate is a water-insoluble salt of naphthenic acids used as a fungicide and insecticide for pressure-treated wood products like decks and fences. It falls under HTS 3824.99.75 as it is specifically a water-insoluble salt of naphthenic acids prepared for industrial preservative applications. This classification covers such metallic naphthenates not elsewhere specified in Chapter 38.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If containing insecticide substances listed in subheading notes
Pesticide formulations with specific active ingredients like those in 3808.52/3808.59 notes take precedence over generic chemical preparations.
If blended with other chemical additives exceeding naphthenic acid content
Complex mixtures not primarily naphthenic acids fall under the residual 'other' chemical preparations subheading.
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Import Tips & Compliance
• Verify the water-insolubility of the naphthenate salt through lab testing, as soluble forms may classify elsewhere
• Include Safety Data Sheets (SDS) and EPA registration if used as a pesticide to ensure compliance with FIFRA
• Avoid misclassification as paint additives by specifying end-use as industrial wood preservative
Related Products under HTS 3824.99.75
Zinc Naphthenate Anti-Corrosion Primer
Zinc naphthenate, a water-insoluble zinc salt of naphthenic acids, serves as a rust-inhibiting primer for metal surfaces in marine and industrial applications. Classified under HTS 3824.99.75 due to its primary composition as naphthenic acid salts meeting the water-insoluble criterion. It is used in protective coatings rather than as a finished paint.
Naphthenic Acid Methyl Esters
Methyl esters of naphthenic acids are used as synthetic lubricants and plasticizers in industrial formulations. This product qualifies for HTS 3824.99.75 as it consists of esters derived from naphthenic acids, not elsewhere specified. They provide solvency properties in oil-based mixtures.
Barium Naphthenate Paint Drier
Barium naphthenate acts as a drier catalyst in alkyd paint formulations, accelerating oxidation and drying of oil-based coatings. It is imported as a water-insoluble naphthenic salt under HTS 3824.99.75 for use in the chemical/paint industry. This excludes finished paints classified elsewhere.
Cobalt Naphthenate Catalyst
Cobalt naphthenate serves as a polymerization catalyst in polyester resin production and as a paint drier. As a water-insoluble salt of naphthenic acids, it precisely matches HTS 3824.99.75 classification for industrial chemical preparations. Concentration typically 6-10% cobalt metal content.
Lead Naphthenate Industrial Lubricant
Lead naphthenate provides extreme pressure lubrication properties in metalworking fluids and gear oils. This water-insoluble lead salt of naphthenic acids imports under HTS 3824.99.75 as an industrial chemical preparation. Restricted use due to lead toxicity regulations.
Mixed Metal Naphthenates (MMN) Drier
Mixed metal naphthenates combine zirconium, cobalt, and calcium naphthenates for balanced drying in industrial coatings. Classified under HTS 3824.99.75 as the primary component consists of water-insoluble naphthenic acid salts. Used at 0.5-2% in paint formulations.