Coated Cellulose Plumbing Flange Seals from Canada
Oval seals cut from coated cellulose wadding for toilet flange connections. Under HTS 4823.90.60.00 as coated cellulose fiber seals for plumbing. Wax-impregnated coating ensures water-tight compression seal.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• FDA compliance documentation if contacting potable water systems
• Compression set testing required to prove sealing performance
• Avoid 3917 classification by proving mechanical compression seal function