Hemlock Wood Wool Insulation
Compressed hemlock excelsior panels for loose-fill wall insulation, with an R-value of 2.2 per inch. This cellulosic wood wool insulation is borate-treated for fire resistance and falls under tariff item 4405.00.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
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 the panels are bonded or treated to form a rigid insulation board
Panels or boards of wood fibre with added binders may fall under heading 68.08.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Note that borate treatment may affect classification; if the treatment gives the product a distinct character, it could fall under heading 38.08 or 68.08
• Provide a detailed product specification to justify classification as wood wool
Related Products under Tariff item 4405.00.00
Aspen Wood Flour 100 Mesh
Finely ground aspen wood flour with a 100 mesh particle size, produced by pulverizing dried aspen wood. This wood flour is used as a filler in plastics, paints, and composites, and falls under tariff item 4405.00.00 as wood flour.
Beech Wood Flour Composite Filler
High-density beech wood flour with a 150 micron particle size, used for wood-plastic composites and particleboard. This engineered wood powder improves mechanical properties and is classified under tariff item 4405.00.00 as wood flour.
Birch Wood Flour for Linoleum
Specially screened birch wood flour (80-120 mesh) used as a primary filler in traditional linoleum flooring production. This wood flour provides floor resilience and is classified under tariff item 4405.00.00.
Cedar Excelsior Moth Repellent Packing
Aromatic western red cedar wood wool shavings that naturally repel moths in storage chests. This excelsior is valued for its volatile oil content and falls under tariff item 4405.00.00 as wood wool.
Cottonwood Excelsior Hammock Stuffing
Ultra-soft cottonwood excelsior filling for hammocks, cushions, and natural mattresses. This lightweight, resilient wood wool is naturally hypoallergenic and classified under tariff item 4405.00.00.
Fir Wood Wool Mulch
Coarse fir excelsior shreds used as decorative landscape mulch and erosion control. This untreated wood wool provides moisture retention and falls under tariff item 4405.00.00.