Gaskets, washers and other seals
Other paper, paperboard, cellulose wadding and webs of cellulose fibers, cut to size or shape; other articles of paper pulp, paper, paperboard, cellulose wadding or webs of cellulose fibers: > Other: > Other: > Other: > Of coated paper or paperboard: > Gaskets, washers and other seals
Duty Rate (from China)
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
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 4823.90.60.00
Coated Paperboard Flange Washers
Washers cut from moisture-resistant coated paperboard used between flanges in plumbing and HVAC systems. Classified under HTS 4823.90.60.00 due to being washers of coated paperboard, providing compressible sealing without adhesive. The coating prevents fiber swelling in humid environments.
Coated Paper HVAC Duct Gaskets
Die-cut gaskets from acrylic-coated paperboard for sealing HVAC duct connections. Classified HTS 4823.90.60.00 as coated paperboard gaskets for air-tight seals in ventilation systems. Coating resists oils and temperature extremes.
Coated Cellulose Plumbing Flange Seals
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.
Coated Paperboard Valve Stem Seals
Precision seals from coated paperboard for hydraulic valve stems. Classified HTS 4823.90.60.00 as coated paper seals preventing fluid bypass. PTFE coating enhances lubricity and chemical resistance.
Coated Paper Oil Filter Gaskets
These gaskets are die-cut from coated paperboard designed for sealing oil filters in automotive engines. They fall under HTS 4823.90.60.00 as they are gaskets made from coated paper or paperboard, cut to precise shapes for sealing applications. The coating enhances moisture resistance and durability under compression.
Coated Cellulose Fiber Pipe Seals
Die-cut seals from coated cellulose fiber webs for sealing pipe joints in water systems. HTS 4823.90.60.00 applies as they are other seals made from coated cellulose fibers, cut to shape, offering biodegradable sealing. Coating provides chemical resistance for wastewater applications.
Coated Paper Pump Gaskets
Precision-cut gaskets from coated paperboard for water pump housings in machinery. Under HTS 4823.90.60.00 as coated paperboard gaskets providing fluid-tight seals. Aramid fiber reinforcement in coating ensures high burst resistance.
Coated Paperboard Electrical Box Seals
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.
Coated Paperboard Battery Terminal Washers
Corrosion-resistant washers from coated paperboard placed under battery terminals. HTS 4823.90.60.00 as coated paperboard washers/seals preventing acid leakage. Coating neutralizes battery electrolytes.
Coated Paper Exhaust Gasket Material
High-temperature coated paper gaskets for small engine exhaust manifolds. HTS 4823.90.60.00 classification for coated paperboard exhaust seals. Graphite coating withstands 500°C operating temperatures.