Waste Quenching Oil from Heat Treatment from Canada
Polymer-quenched oil residue from metal hardening processes, hydrocarbon matrix <50% single compound. Classifies under 2710.99.4500 as unspecified waste hydrocarbon mixtures.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Document heat treatment cycle parameters proving quenching usage
• Analyze polymer degradation products for complete composition
• High temperature history requires flash point verification