Distilled Naphthenic Acid for Rubber Accelerator
Fractionally distilled naphthenic acid for rubber vulcanization accelerators and plasticizers. HTS 3824.99.7510 specifically identifies the acid before reaction with amines or metals. Narrow boiling range ensures processing consistency.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If rubber accelerators prepared with the acid
Prepared rubber accelerators containing naphthenic derivatives classified separately.
If zinc or other metal naphthenates
Their water-insoluble salts have dedicated tariff subheading.
If primarily aromatic alcohol derivatives
Different chemical structures classified by functional group specificity.
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Import Tips & Compliance
• Specify distillation cut and color (Gardner scale) in specs; rubber industry requires low metals
• TSCA PMN may apply for new formulations
• Segregate from amines to prevent premature reaction
Related Products under HTS 3824.99.75.10
Industrial Grade Naphthenic Acid 75%
High-purity naphthenic acid derived from petroleum distillates, primarily used as a corrosion inhibitor and paint drier in industrial formulations. Classified under HTS 3824.99.7510 as pure naphthenic acids, distinct from their salts or esters. Their carboxylic acid structure enables metal complexing for anti-corrosion applications.
Refined High Acid Number Naphthenic Acid
Distilled naphthenic acid with acid number 200-250 mg KOH/g, used in metalworking fluids and rubber additives. Falls under HTS 3824.99.7510 as their water-insoluble salts are separately classified. Key for emulsifiers in oil-based formulations.
Low Odor Naphthenic Acid for Paint Driers
Specially processed naphthenic acid with minimized odor for use in alkyd paint driers and inks. HTS 3824.99.7510 covers the pure acid form before salt formation. Provides essential carboxylic functionality for metal soap production.
Technical Grade Naphthenic Acid (60% Assay)
Standard technical naphthenic acid at 60% minimum assay from heavy petroleum distillates, for wood preservatives and fuel additives. Pure acid classification under 3824.99.7510 excludes formulated products. Versatile for salt formation and emulsification.