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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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