PVC Foam Core Insulation Panel
Cellular PVC sheets used as thermal/acoustic insulation in building walls and machinery enclosures. Falls under HTS 3921.12.5000 as other cellular plates of vinyl chloride polymers, distinguished by uniform foam cell structure providing low thermal conductivity.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If cellular sheets of other plastic polymers
Non-vinyl chloride cellular sheets classified by predominant monomer in 3921.90 series.
If with metal reinforcements
Sheets with metal fittings/resin classified as builders' ware in 3925.90.
If ceramic-coated surface
Surface-coated refractory sheets move to Chapter 69 ceramics.
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Import Tips & Compliance
• Conduct thermal conductivity tests to document insulation properties supporting cellular classification
• Ensure polymer analysis shows vinyl chloride predominates per subheading note (a)(4)
• Avoid bulk packaging that could trigger set classification under different headings
Related Products under HTS 3921.12.50.00
PVC Foam Board Sign Blank
A rigid sheet made from cellular polyvinyl chloride (PVC) foam, commonly used as a lightweight substrate for signage and displays. It falls under HTS 3921.12.5000 as 'other' cellular plates, sheets of polymers of vinyl chloride, not rigid flexible or flexible sheets. The cellular structure provides insulation and buoyancy properties.
Expanded PVC Sheet for Model Building
Lightweight cellular PVC foam sheets cut to standard sizes for hobbyists and architects creating scale models. Classified in 3921.12.5000 as other cellular sheets of vinyl chloride polymers due to foam structure from gas expansion during polymerization. Provides easy cutting and painting surface.
Cellular PVC Marine Flotation Board
Buoyant foam sheets of cellular PVC used in boat flotation compartments and dock bumpers. HTS 3921.12.5000 covers these as other cellular sheets of vinyl chloride polymers, with closed-cell structure preventing water absorption.
PVC Foam Advertising Display Sheet
White cellular PVC sheets sized for large format digital printing on billboards and trade show displays. Classified HTS 3921.12.5000 as other cellular plates/sheets of vinyl chloride polymers, valued for smooth print surface and lightweight construction.
Foamed PVC Partition Wall Panel
Cellular PVC sheets for temporary office partitions and room dividers, featuring tongue-and-groove edges. HTS 3921.12.5000 as other cellular sheets of vinyl chloride, not yet assembled into complete walls.
PVC Closed-Cell Gasket Sheet
Sheets of cellular PVC foam from which gaskets and seals are die-cut for machinery and HVAC applications. Falls under 3921.12.5000 as other cellular sheets of vinyl chloride polymers, supplied in bulk rolls or sheets.