Kraft Paper Backed Heat Shrink Tubing
Polyolefin heat-shrink tubing with kraft paper liner for electrical insulation applications. Paper prevents tubing from shrinking onto mandrels during storage and handling. Classified under HTS 3921.90.40.10 as flexible plastic tubing/sheet reinforced with paper.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If paper liner considered packaging, not structural reinforcement
Plain plastic tubes/pipes without functional reinforcement classify in 3917.
If used specifically for electrical cable packaging
Packaging-specific plastic films have dedicated subheadings.
If paper predominates in multi-layer construction
Paper-based tubes fall under Chapter 48 when paper weight dominates.
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Import Tips & Compliance
• Provide shrink ratio and recovery temperature specs confirming plastic film properties
• Include technical datasheets showing paper liner's functional reinforcement role
• Distinguish from unreinforced tubing (3917) by emphasizing paper component in docs
Related Products under HTS 3921.90.40.10
Paper-Reinforced Polyethylene Sheeting
Flexible plastic sheeting made from polyethylene film laminated with paper for added strength and durability. Classified under HTS 3921.90.40.10 as flexible plates, sheets, or film of plastics reinforced with paper. The paper reinforcement provides dimensional stability while maintaining flexibility for packaging and covering applications.
Paper-Laminated LDPE Construction Film
Low-density polyethylene film reinforced with kraft paper for construction vapor barriers and temporary coverings. The paper provides tear resistance while the plastic offers waterproofing. Classified in HTS 3921.90.40.10 as flexible reinforced plastic sheeting.
Paper-Reinforced Window Insulation Film
Shrinkable plastic film with paper grid reinforcement for DIY window insulation kits. The paper creates a grid pattern for easy cutting and application. HTS 3921.90.40.10 covers this flexible reinforced plastic film for household use.
Paper Grid Reinforced Greenhouse Film
UV-stabilized polyethylene greenhouse film with embedded paper grid for structural support against wind loads. The paper reinforcement enhances tear resistance in agricultural applications. HTS 3921.90.40.10 applies to this flexible reinforced plastic sheeting.
Paper-Lined Flexible Packaging Film
Multi-layer flexible film with paper liner for food packaging applications requiring high barrier properties. Paper provides deadfold characteristics and printability. Classified HTS 3921.90.40.10 as reinforced flexible plastic film.
Release Paper Backed Adhesive Film
Pressure-sensitive adhesive plastic film on silicone-treated paper release liner for mounting applications. Paper provides dimensional stability during storage and cutting. HTS 3921.90.40.10 covers flexible adhesive films reinforced with paper.