IIR Rubber Lump Blocks from Mexico
Irregular lump blocks of isobutene-isoprene rubber for further processing into sheets, in primary bulk form. HTS 4002.39.00.00 as 'other' IIR, compliant with primary forms note excluding worked shapes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Photos and dimensions of lumps to prove 'blocks of irregular shape' status
• Test for recovery/elongation properties if synthetic rubber status questioned
• Avoid bulk shipments mislabeled as plates if cut rectangular