Smooth Primed MDF S4S Trim Board from Mexico
S4S (surfaced four sides) trim board made from medium-density fiberboard, primed smooth for painting. HTS 4411.93.90.10 designation as standard wood molding due to density specs and rectangular profile with eased edges. Used for base trim, window stools, and general interior millwork.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Specify S4S dimensions and priming type in commercial invoice to establish trim board identity
• Test for moisture content (under 8%) to prevent warping claims and classification disputes
• Use heat-treated pallets (IPPC ISPM-15) for wooden packaging compliance