Bitumen-Reinforced Composite Insulation Paper
Paper layers glued together with internal bitumen reinforcement for use in building insulation barriers. Falls under HTS 4807.00.10.00 for its internal lamination with asphalt/bitumen in sheet or roll form.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If mineral fiber reinforced rather than paper-based
Asphalt shingle base with glass fiber goes to heading 6806 for mineral products.
If uncoated and not laminated, just reinforced with fibers
Plain reinforced paperboard without bitumen is under heading 4802.
If for Jacquard punch cards with tar lamination
Specialized perforated paper cards fall under chapter 48 note to 4823 or 59xx.
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Import Tips & Compliance
• Submit cross-section analysis proving internal vs. surface bitumen application
• Ensure proper declaration of grammage and reinforcement to match subheading specs
Related Products under HTS 4807.00.10.00
Bitumen-Laminated Kraft Paperboard
This is composite paperboard made by laminating flat layers of kraft paper with bitumen internally for waterproofing and strength. It falls under HTS 4807.00.10.00 as it is not surface-coated or impregnated but has internal lamination with bitumen, suitable for industrial packaging.
Asphalt-Laminated Roofing Underlayment Paper
Composite paper in rolls, internally laminated with asphalt between layers of paperboard, designed as moisture barrier under roofing shingles. Classified under HTS 4807.00.10.00 due to internal asphalt lamination without surface coating, distinguishing it from finished roofing products.
Asphalt-Core Laminated Sheathing Paper
Composite sheathing paper with asphalt laminated between paper layers for wall and roof underlayment in construction. Classified in HTS 4807.00.10.00 as internally laminated paperboard, not surface-coated.
Bitumen-Layered Damp-Proof Course Paperboard
Composite paperboard with bitumen layers sandwiched internally, used as damp-proof course in masonry foundations. HTS 4807.00.10.00 applies to this non-surface-coated, internally laminated product.
Asphalt-Interlaminated Vapor Barrier Paper
Paper composite with internal asphalt lamination to block vapor transmission in building envelopes. Fits HTS 4807.00.10.00 as reinforced, internally laminated paper in rolls.
Tar-Sandwiched Heavy Duty Wrap Paper
Multi-ply paper with tar sandwiched internally for wrapping machinery and pallets waterproofing. Under HTS 4807.00.10.00 for bitumen/tar internal lamination.