Exhausted Quench Oil from Canada
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.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• 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