Unvulcanized Silicone Rubber Profiles
Extruded profiles from unvulcanized silicone rubber compounds for high-temperature applications. HTS 4006.90.50.00 includes synthetic unvulcanized rubber profiles meeting chapter definitions.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If vulcanized silicone profiles
All vulcanized synthetic rubber profiles go to heading 4008.
If silicone polymers not qualifying as rubber
Non-vulcanizable silicone polymers classify as plastics in Chapter 39.
If in primary dispersion form
Synthetic rubber latex/dispersions remain in heading 4002.
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
• Provide vulcanization test data confirming synthetic rubber compliance with note 2
• Label silicone content and curing system (peroxide/platinum) clearly
• Avoid electrical appliance classification exclusion via end-use declaration
Related Products under HTS 4006.90.50.00
Unvulcanized Rubber Extrusion Profiles
These are continuous profile shapes made from unvulcanized rubber, used in manufacturing for automotive seals and gaskets. They fall under HTS 4006.90.50.00 as profile shapes of unvulcanized rubber that are not vulcanized and not further processed beyond basic extrusion.
Unvulcanized Rubber Tubing for Hose Production
Soft, flexible tubing made from unvulcanized rubber compound, supplied in coils for later vulcanization into industrial hoses. Classified under HTS 4006.90.50.00 as tubes of unvulcanized rubber, distinct from primary forms due to specific tubular shaping.
Unvulcanized Rubber Discs for Gasket Molding
Circular discs cut from unvulcanized rubber sheets, used as blanks for compression molding into gaskets. HTS 4006.90.50.00 applies as 'other articles' of unvulcanized rubber, beyond simple sheets of heading 4006.10.
Unvulcanized Rubber Rods for Seal Extrusion
Straight cylindrical rods of unvulcanized rubber compound, extruded for cutting into seal preforms. Falls under HTS 4006.90.50.00 as rods of unvulcanized rubber, separate from primary bulk forms.
Unvulcanized Rubber O-Ring Blanks
Pre-cut toroidal blanks from unvulcanized rubber for molding into O-rings. Classified in HTS 4006.90.50.00 as other articles (rings) of unvulcanized rubber.
Unvulcanized Rubber Window Seal Profiles
Custom-extruded profiles of unvulcanized rubber for automotive window seals, supplied for final molding. HTS 4006.90.50.00 covers these as profile shapes of unvulcanized rubber.