HDPE Catch Basin Frame from Japan
A square or rectangular frame molded from high-density polyethylene for supporting grates over stormwater catch basins in urban drainage systems. Falls under HTS 3926.90.99.40 due to its specific function as a frame for catch basins, made from plastics of headings 3901-3914. Anchors securely to concrete curbs for erosion resistance.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include installation specs and AASHTO load class certifications to support classification
• Label with polymer content (e.g
• >95% HDPE per subheading note (a)(1)) to avoid copolymer disputes
• Watch for reclassification if frames include integrated grates, potentially treated as sets