IIR Rubber Lump Blocks from Mexico
Irregular lump blocks of isobutene-isoprene rubber for further processing into sheets, in primary bulk form. These lumps are uncompounded and fall under tariff item 4002.39.00 as 'other' IIR, compliant with primary forms note excluding worked shapes.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify the lumps are irregular in shape and not cut or further worked, per Chapter 40 Note 3
• Declare the product as 'IIR lumps' and provide the polymerization batch details
• Ensure the lumps are free of compounding agents like plasticizers