Novolac Phenolic Resin from Mexico
Novolac phenolic resin is a thermosetting polymer produced by reacting phenol with formaldehyde under acidic conditions, requiring a hardener for curing. It falls under HTS 3909.40.00.00 as a phenolic resin in primary form, typically supplied as granules or powder for molding compounds. Used primarily in electrical insulators and abrasives due to its heat resistance.
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
• Verify monomer composition meets 95% phenol-formaldehyde content per subheading notes to avoid reclassification
• Provide supplier certificates confirming primary form (not compounded)
• Watch for chemical modifications that could shift to 'Other' subheadings