Natural Rubber Foam Sheet
A vulcanized cellular natural rubber sheet used for gaskets and seals in industrial applications. It falls under HTS 4008.11.10.00 as it is a plate, sheet, or strip of cellular vulcanized natural rubber, not further worked beyond rectangular shape.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If made from synthetic rubber
Cellular plates/sheets of synthetic vulcanized rubber (not natural) classify under 4008.19.00 per material distinction in heading 4008.
If non-cellular (solid, not foamed)
Non-cellular vulcanized natural rubber plates/sheets fall under 4008.21.00, excluding foam structure.
If cut to specific non-rectangular shapes for articles
Once cut to gasket/article shapes beyond simple rectangular cuts, it becomes 'other articles' in 4016.99.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Verify vulcanization and cellular structure via lab testing to confirm natural rubber composition per Chapter 40 notes
• Ensure rectangular uncut shape; further profiling moves to other subheadings
• Provide mill test certificates documenting no hard rubber or non-rubber additives
Related Products under HTS 4008.11.10.00
Cellular Natural Rubber Gasketing Strip
Vulcanized foam strip of natural rubber, simply cut to rectangular profile for machinery seals. Classified in HTS 4008.11.10.00 as cellular strip of vulcanized natural rubber per Chapter 40 definitions for unworked shapes.
Natural Latex Foam Insulation Sheet
Cellular sheet from vulcanized natural latex rubber for thermal insulation. Fits HTS 4008.11.10.00 as vulcanized cellular natural rubber plate/sheet, simply cut.
Foamed Natural Rubber Sealing Strip
Rectangular strip of cellular vulcanized natural rubber for door seals. Under HTS 4008.11.10.00 for unworked cellular strip of natural rubber.
Cellular NR Vibration Damping Sheet
Vulcanized natural rubber foam sheet for machinery vibration isolation. HTS 4008.11.10.00 covers such cellular plates of natural rubber.
Natural Rubber Foam Weatherstrip
Cellular vulcanized natural rubber strip for window weatherproofing. Classifies as HTS 4008.11.10.00 strip per unworked definitions.
Vulcanized NR Cellular Backing Sheet
Foam sheet of natural rubber for adhesive backing applications. HTS 4008.11.10.00 for cellular vulcanized natural rubber sheets.