Ceramic-Filled Polymer Insulating Standoffs from Mexico
Standoff insulators for mounting electrical components, polymer base with ceramic filler and minor brass threaded inserts, used in high-voltage appliances. Classified HTS 8547.90.00 for insulating fittings of electrical equipment with assembly metal. Provides creepage distance and support.
Duty Rate — Mexico → United States
29.6%
Rate breakdown
9903.82.0925%Except as provided for in headings 9903.82.16, 9903.82.20–9903.82.26 and 9903.85.68, articles of copper and derivative aluminum and steel articles, as provided for in subdivisions (c)(vi)–(viii) and (xi) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Dielectric strength test data (>2kV/mm) confirms insulating function over mechanical
• Ensure declaration specifies 'wholly insulating apart from minor metal' phrasing