Coated Paperboard Electrical Box Seals from Mexico
Washers and seals cut from flame-retardant coated paperboard for electrical junction boxes. HTS 4823.90.60.00 classification for coated paperboard seals preventing dust/moisture ingress. Coating meets UL94 flammability standards.
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
• Include UL or equivalent certification for flame retardancy in import files
• Specify dielectric strength and IP rating in technical documentation