Impregnated Bituminized Fiberboard Sheets
Fiberboard sheets impregnated with bitumen for roofing underlayment and waterproofing applications. HTS 4811.90.90 applies to this impregnated cellulose fiber product excluded from plain paperboard headings. Provides durable moisture barrier in construction.
Import Duty Rates by Country of Origin
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If bitumen content ≥50% by weight
Articles of asphalt/bitumen mixtures classify under 6807 when bitumen dominates.
If wood fiberboard without bitumen
Plain medium density fiberboard stays in Chapter 44.
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Import Tips & Compliance
• Conduct asphalt/bitumen content analysis to quantify impregnation level
• Certify VOC emissions compliance for construction materials
• Avoid confusion with Chapter 68 agglomerated asbestos products
Related Products under HTS 4811.90.90
PE Coated Paperboard Roll
Paperboard coated on one side with polyethylene (PE) resin, supplied in rolls for packaging applications like disposable cups and food containers. It falls under HTS 4811.90.90 as coated paperboard not specified in headings 4803, 4809, or 4810. The PE coating provides moisture and grease resistance essential for food contact uses.
Wax-Impregnated Wrapping Paper Roll
Paper rolls impregnated with paraffin wax for waterproof sandwich and bakery wrapping. Classified in HTS 4811.90.90 due to wax impregnation for grease resistance, excluding it from uncoated paper headings. Ideal for food service applications requiring non-stick surfaces.
Surface-Printed Metallized Paper Sheets
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Silicone-Coated Release Paper Roll
Glassine paper roll coated with silicone release agent for liner in pressure-sensitive adhesive labels and tapes. Falls under HTS 4811.90.90 as coated paper not elsewhere specified. Critical for clean release in manufacturing processes.
Lacquer-Coated Decorative Paper Sheets
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Anti-Corrosion Coated Steel Packaging Paper
Kraft paper coated with volatile corrosion inhibitors (VCI) for protecting steel coils during ocean transport. HTS 4811.90.90 covers this specialized coated paper for industrial packaging. Provides vapor-phase rust prevention without direct contact.