Crude Oil Emulsion Breaker Residue from Canada
Bottoms from chemical demulsification of crude oil/water emulsions, containing asphaltenes and resins. Falls under HTS 2713.90.00.00 as residue from petroleum oil processing. Used in drilling mud formulations.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include demulsifier dosage rates and separation efficiency data
• Test asphaltene content (>15%) for proper residue designation
• Specify pour point depression additives used in transport