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3811.21.00.00/Petroleum Oil Viscosity Improver for Gear Lubes/Japan

Petroleum Oil Viscosity Improver for Gear Lubes from Japan

Viscosity improver additive infused with petroleum oils for gear and transmission lubricants, maintaining performance under high shear. It qualifies for HTS 3811.21.00.00 as a prepared additive containing petroleum oils for mineral oil-based lubes.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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Import Tips

• Label containers with exact petroleum oil percentage and end-use; obtain prior CBP ruling for blends

• Pitfall: over-dilution may classify as 2710 base oil

Petroleum Oil Viscosity Improver for Gear Lubes from Japan — Import Duty Rate | HTS 3811.21.00.00