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
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If restored for quenching
Reconditioned quench oils classify as other heat transfer preparations.
If polymer-thickened formulation
Specialty quenching media with polymers classify as chemical preparations.
Not sure which classification is right?
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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
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