Thermoplastic Polysulfide Resin Powder from Mexico
Polysulfide polymers in thermoplastic powder primary form, note 3 products of heading 3911. Under 3911.90.91.10 as other thermoplastics, used in sealants and fuel-resistant coatings.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Supplier affidavits on sulfur monomer content essential for note 3 verification
• Avoid compounding; pure powder prevents shift to 3920 plates/films