API Certified DEF for Heavy Duty Trucks
API-certified Diesel Exhaust Fluid designed for heavy-duty diesel trucks and compliant with ISO 22241 specifications. This 32.5% urea aqueous solution is used in SCR systems to convert harmful NOx into harmless nitrogen and water. Falls under HTS 3102.10.00.30 due to its specific formulation as DEF per chapter 3102 notes for urea in aqueous solution.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If pure urea without aqueous DEF formulation
Non-aqueous or non-DEF specific urea falls under the general 'urea, whether or not pure' subheading before the DEF specification.
If sold in retail-measured consumer packages
DEF put up in retail forms or packages for direct consumer use shifts to 3105.90 as fertilizer goods in measured doses.
If purity exceeds fertilizer grade standards
Very high-purity urea meeting chemical compound definitions may classify under Chapter 28 inorganic chemicals rather than Chapter 31 fertilizers.
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Import Tips & Compliance
• Provide API certification and ISO 22241 compliance documentation to avoid reclassification as a general chemical product
• Declare exact urea concentration (32.5%) and confirm no prohibited additives per EPA regulations for DEF
• Use bulk packaging documentation to distinguish from retail-packed goods under heading 3105
Related Products under HTS 3102.10.00.30
BlueDEF Diesel Exhaust Fluid ISO 22241
BlueDEF is a high-purity automotive-grade Diesel Exhaust Fluid (DEF) that meets ISO 22241 standards for use in Selective Catalytic Reduction (SCR) systems. It consists of 32.5% high-purity urea in deionized water, designed to reduce NOx emissions in diesel engines. Classified under HTS 3102.10.00.30 as it is an aqueous urea solution specifically formulated as DEF meeting ISO 22241.
Peak BlueDEF DEF ISO 22241 Gallon Jug
Peak BlueDEF is a premium Diesel Exhaust Fluid in gallon jugs, precisely formulated to ISO 22241 for diesel engine emission control. The aqueous solution contains 32.5% urea to enable SCR technology NOx reduction. HTS 3102.10.00.30 applies specifically to DEF meeting these standards as aqueous urea per heading 3102 notes.
Valvoline DEF Ultra-Pure Solution
Valvoline DEF is an ultra-pure 32.5% urea aqueous solution certified to ISO 22241 for use in modern diesel vehicles with SCR systems. It prevents catalyst poisoning and maintains emission system efficiency. Classified under HTS 3102.10.00.30 as DEF specifically meeting the ISO standard within nitrogenous urea aqueous solutions.
Hot Shot's Secret DEF Crystal Clear
Hot Shot's Secret DEF Crystal Clear is a premium ISO 22241-compliant Diesel Exhaust Fluid with 32.5% high-purity urea in deionized water. Designed for heavy equipment and fleet operations to reduce diesel emissions via SCR technology. HTS 3102.10.00.30 covers this specific DEF formulation per chapter notes for aqueous urea.