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Used THF Adhesive Solvent Waste

Tetrahydrofuran (THF) waste from polyurethane adhesive mixing, peroxide-contaminated and reactive. 3825.49.00.00 applies to such organic solvent wastes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2932.19Lower: 13.7% vs 35%

If refined to stabilizer grade

Pure THF as heterocyclic ether in Chapter 29

3506.91Lower: 12.1% vs 35%

If in adhesive formulation

Adhesives containing prepared glues classified in Chapter 35

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Import Tips & Compliance

• Test for peroxides weekly; stabilize with BHT; ship under nitrogen blanket

Related Products under HTS 3825.49.00.00

Waste Toluene Solvent

Contaminated toluene recovered from industrial painting operations, no longer fit for use as a primary solvent product. Classified under HTS 3825.49.00.00 as waste organic solvents per chapter note 6, intended for solvent recovery or disposal. Excludes petroleum oils or stabilized materials.

Spent Acetone Cleaning Solvent

Used acetone from electronics manufacturing cleanrooms, contaminated with residues and unfit for direct reuse. Falls under 3825.49.00.00 as other waste organic solvents from chemical industries, per chapter note 6(c).

Waste Isopropanol from Pharma Production

Contaminated isopropanol (IPA) from pharmaceutical tablet coating processes, no longer viable as primary solvent. HTS 3825.49.00.00 covers such waste organic solvents from allied chemical industries.

Used MEK Paint Thinner Waste

Methyl ethyl ketone (MEK) waste from automotive refinishing shops, laden with paint solids and vapors. Qualifies as 3825.49.00.00 waste organic solvents unfit for further primary use.

Contaminated Ethanol Printing Waste

Denatured ethanol waste from flexographic printing presses, contaminated with inks and unfit as presented. Chapter note 6 defines this as waste organic solvents under 3825.49.00.00.

Waste Xylene from Coatings Manufacture

Mixed xylene isomers waste from alkyd resin production, containing reaction byproducts. HTS 3825.49.00.00 for other waste organic solvents from chemical industries.