Exxon Butyl 268 Rubber Bale from Mexico
Baled isobutene-isoprene rubber (IIR) in bulk form, grade Butyl 268 from ExxonMobil, suitable for tire inner liners and pharmaceutical stoppers. Classified under 4002.31.00.00 as synthetic rubber in primary bale form, unvulcanized and uncompounded beyond allowed stabilizers.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit manufacturer specs showing Mooney viscosity and absence of pigments or extenders per chapter notes
• Check for oil-extended variants, which may shift to different subheadings if exceeding permitted levels
• Use ISCC certification for sustainable sourcing to facilitate customs clearance