Cellular NR HVAC Duct Seal Profile
Profile shapes of foamed natural rubber for sealing HVAC duct joints, featuring interlocking flange design. Classified in 4008.19.20.00 for cellular natural rubber profiles not qualifying as plates/sheets/strip.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If textile reinforced
Textile fabric covered/laminated rubber profiles excluded from 4008, go to Chapter 40 tubes/pipes.
If predominantly plastic cellular
Cellular plastic profiles of Chapter 39 take precedence over rubber if plastic >50%.
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Import Tips & Compliance
• Provide compression set test results confirming cellular rubber properties
• Avoid co-extrusion with plastics that could trigger Chapter 39 classification
• Document extrusion tooling specs showing complex profile geometry
Related Products under HTS 4008.19.20.00
Cellular Natural Rubber Weatherstripping Profile
Extruded profile shapes made from cellular vulcanized natural rubber used for sealing doors and windows in buildings. Classified under HTS 4008.19.20.00 as profile shapes of cellular natural rubber, not hard rubber, due to its irregular cross-section and cellular structure per Chapter 40 notes.
Natural Rubber Cellular Door Seal Profile
Foamed natural rubber profiles designed for automotive door sealing, featuring complex U-channel cross-sections. Falls under 4008.19.20.00 as profile shapes (not simple rectangular strip) of cellular natural rubber per heading definitions.
Foamed Natural Rubber Window Gasket Profile
Cellular vulcanized natural rubber profiles extruded for residential window framing seals with bulb and lip design. HTS 4008.19.20.00 applies to these non-rectangular profile shapes of cellular natural rubber.
Natural Rubber Foam Edge Protector Profile
U-shaped cellular natural rubber profiles for protecting sharp edges on machinery and furniture. Meets 4008.19.20.00 as profile shapes of vulcanized cellular natural rubber with non-rectangular cross-section.
Cellular Natural Rubber Acoustic Seal Profile
Foamed natural rubber profiles with labyrinthine cross-sections for soundproofing doors in recording studios. HTS 4008.19.20.00 for cellular natural rubber profile shapes per Chapter 40 definitions.
NR Cellular Refrigerator Gasket Profile
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