Plaster Fire Barrier Putty from Mexico
Non-hardening plaster-based putty designed to seal penetrations in fire-rated walls. Made from gypsum compositions for firestop applications in construction. HTS 6809.90.00.00 covers such specialized plaster articles.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide fire-rating test certifications from UL or equivalent standards
• Declare exact chemical composition to confirm plaster base vs. chemical compounds
• Avoid classifying as 'tools' (Chapter 82); emphasize as sealing material