Coated Cellulose Plumbing Flange Seals from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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