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Exhausted Quench Oil

Waste heat treatment oil from metal quenching baths, imported as HTS 2710.99.31.00 waste lubricating oil with >70% petroleum base. Degraded by thermal cycling.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+7.5%7.5%
🇲🇽MexicoFree—Free
🇨🇦CanadaFree—Free
🇩🇪GermanyFree—Free
🇯🇵JapanFree—Free

Alternative Classifications

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

2710.19Higher: 19.5% vs 7.5%

If restored for quenching

Reconditioned quench oils classify as other heat transfer preparations.

3824.99.39Higher: 37.5% vs 7.5%

If polymer-thickened formulation

Specialty quenching media with polymers classify as chemical preparations.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Provide flash point and viscosity tests showing degradation beyond specs

• Certify absence of cyanide or heavy metals from heat treatment processes

• Use nitrogen-blanketed containers to prevent autoignition during transit