Lead-Acid Battery Vent Caps and Plugs from Mexico
Flame-arrestor vent caps with pressure relief valves for flooded lead-acid storage batteries in forklifts and telecom backup systems. Made of polypropylene, they allow gas escape while preventing sparks and are HTS 8507.90.40.00 parts.
Duty Rate — Mexico → United States
28.5%
Rate breakdown
9903.94.0525%Except for products described in headings 9903.94.06, 9903.94.32, 9903.94.33, 9903.94.42, 9903.94.43, 9903.94.44, 9903.94.45, 9903.94.52, 9903.94.53, 9903.94.54, 9903.94.55, 9903.94.62, 9903.94.63, 9903.94.66 and 9903.94.67, automobile parts, as provided for in subdivision (g) of U.S. note 33 to this subchapter
9903.03.060%Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
9903.74.110%Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.
Import Tips
• Include test data on flame retardancy and pressure relief specifications
• Match vent design to specific battery cell sizes (e.g
• 6-cell vs 12-cell)
• Ensure compliance with UN38.3 transport regulations for plastic components