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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If integral valve components
Valve parts classified with complete valves in Chapter 84.
If plastic hydraulic sealing rings
Other plastic sealing articles in Chapter 39.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Pressure rating and fluid compatibility documentation essential
• Microscopic thickness measurements for stem clearance verification
• Distinguish from 8481 valve parts requiring functional assembly proof
Related Products 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 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.