Unvulcanized Nitrile Rubber Plates
Rectangular plates of nitrile butadiene rubber (NBR) compound, unvulcanized, used in gasket production for oil-resistant applications. Classified under HTS 4005.91.00.00 for compounded unvulcanized rubber in plate form, excluding vulcanized or further worked products.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If vulcanized
Vulcanized plates of cellular rubber move to heading 4008, as vulcanization changes the primary form status.
If natural rubber latex in primary liquid form, not compounded sheets
Natural rubber in latex or primary forms without prohibited compounding goes to heading 4001.
If heavily filled with plastics exceeding rubber character
Products losing essential rubber character due to plastic mixtures may fall under Chapter 39 plastics.
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Import Tips & Compliance
• Ensure documentation specifies 'unvulcanized compounded rubber' to distinguish from vulcanized plates
• Check for prohibited additives like excess plasticizers that could shift classification to heading 4001 exclusions
• Use rectangular uncut plates to stay within 'plates, sheets, strip' definition; avoid pre-cut shapes
Related Products under HTS 4005.91.00.00
Unvulcanized EPDM Rubber Sheets
Flat sheets of compounded EPDM (ethylene propylene diene monomer) rubber, unvulcanized, supplied in primary form for further processing into weatherstripping and roofing membranes. This product falls under HTS 4005.91.00.00 as it is compounded rubber in sheet form, not yet vulcanized, distinguishing it from vulcanized sheets in heading 4008.
Unvulcanized SBR Rubber Strips
Narrow strips of styrene-butadiene rubber (SBR) compound, unvulcanized, in rectangular shape for tire manufacturing or conveyor belting base. HTS 4005.91.00.00 covers such unvulcanized compounded rubber strips, simply cut to rectangular shape without further working.
Unvulcanized Silicone Rubber Sheets
High-temperature resistant unvulcanized silicone rubber sheets for molding into seals and gaskets. This compounded product is classified in HTS 4005.91.00.00 as unvulcanized rubber in sheet form, prior to vulcanization.
Unvulcanized Butyl Rubber Plates
Plates of unvulcanized butyl rubber compound for inner tube linings and roofing. Falls under HTS 4005.91.00.00 for unvulcanized compounded rubber plates in primary forms.
Unvulcanized Neoprene Rubber Strips
CR (chloroprene) rubber strips, unvulcanized, for wetsuit and hose production. HTS 4005.91.00.00 applies to these rectangular compounded strips.
Unvulcanized Natural Rubber Sheets
Compounded natural rubber sheets, unvulcanized, for balloon and glove molding. Classified in 4005.91.00.00 as primary form sheets.