CIIR Powder Form from Mexico
Micronized chlorobutyl rubber powder for compounding in adhesives, classified as primary form powder under HTS 4002.39.00.00. Meets Chapter 40 definitions for uncompounded synthetic rubber granules/powders.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Particle size analysis required to distinguish powder from 'crumbs' or scrap
• Certify absence of plasticizers/extenders except permitted mineral oil
• Watch for misdeclaration as factice-derived if oil-based modifiers exceed limits