Lead-Acid Battery Vent Caps and Plugs from Japan
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 — Japan → United States
18.5%
Rate breakdown
9903.94.4315%Parts of passenger vehicles and light trucks that are products of Japan as provided for in subdivision (l) of U.S. note 33 to this subchapter, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 15 percent as provided for in subdivision (m) of U.S. note 33 to this subchapter.
9903.74.110%Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
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