Leaded Anti-Knock Compound Sludge with Gold Residue from Mexico
Leaded anti-knock compound sludge with gold residue is a byproduct from manufacturing leaded anti-knock compounds like tetraethyllead, primarily lead-based with trace gold from alloyed components. It is classified under tariff item 2620.21.00 as a leaded anti-knock compound sludge used in industry for metal recovery.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the sludge is from anti-knock compound production, not from other lead processes, to meet subheading note 1
• Provide documentation of the manufacturing process and lead content to CBSA
• Be aware that tetraethyllead residues may be classified as hazardous waste; obtain necessary permits