Unvulcanized Rubber Vibration Dampener Blanks
Molded blanks of unvulcanized rubber for engine mounts and dampeners. HTS 4006.90.50.00 as other articles of unvulcanized rubber.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If vulcanized vehicle dampeners
Vulcanized rubber parts for vehicles classify under 4016.99.
If simple vulcanized profiles
Less complex vulcanized shapes may stay in 4008 vs specific parts.
If transmission belts/dampeners
Rubber belting/transmission articles go to heading 4010.
Not sure which classification is right?
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Import Tips & Compliance
• Include mold flow analysis showing complex shaping beyond profiles
• Test dynamic properties confirming pre-vulcanization softness
• Separate from Chapter 87 vehicle parts by declaring as generic blanks
Related Products under HTS 4006.90.50.00
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Unvulcanized Rubber Tubing for Hose Production
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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
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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.