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3811.21.00.00/Automotive Grease Thickener Additive/Mexico

Automotive Grease Thickener Additive from Mexico

Thickening agent with petroleum carrier oils for lithium grease formulations in automotive bearings. Classified under 3811.21.00.00 as a lubricating oil additive with petroleum oils.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Test for NLGI grade consistency; label as 'for grease manufacture'

• Pitfall: finished greases go to 3403.13