MIBK-MEK Lacquer Thinner from China
Composite thinner made from methyl isobutyl ketone (MIBK) and methyl ethyl ketone (MEK) for nitrocellulose lacquers. HTS 3814.00.50 covers this as an organic composite solvent specifically prepared for varnish thinning. Used in automotive refinishing and wood finishing.
Duty Rate — China → United States
43.5%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Ensure mixture ratios documented to distinguish from pure ketones (HTS 2914); ketone blends require flash point testing
• Label with specific GHS hazard pictograms for ketones
• Common pitfall: incorrect declaration as single-component chemical