Wood wool (excelsior); wood flour
Wood wool (excelsior); wood flour
Duty Rate (from China)
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 4405.00.00.00
Pine Wood Wool Excelsior
Pine wood wool, also known as excelsior, consists of long, thin wood shavings produced by machine from pine wood blocks. It is classified under HTS 4405.00.00.00 as wood wool used primarily for packaging, stuffing, and animal bedding. The fibrous structure provides cushioning and is made without binders.
Aspen Wood Flour 100 Mesh
Finely ground aspen wood flour with 100 mesh particle size, produced by pulverizing dried aspen wood. HTS 4405.00.00.00 covers wood flour used as a filler in plastics, paints, and composites. Particle size typically under 0.15mm distinguishes it from coarser wood wool.
Oak Excelsior Packaging Shavings
Machine-cut oak wood wool excelsior designed specifically for fragile item packaging. Falls under HTS 4405.00.00.00 due to its long, flexible shavings ideal for void fill and cushioning. Often heat-treated for export compliance.
Spruce Wood Wool Animal Bedding
Kiln-dried spruce excelsior cut to 2-4 inch lengths for pet and livestock bedding. Classified HTS 4405.00.00.00 as untreated wood wool providing absorbent, dust-free bedding material. Dust extraction during production ensures low respiratory irritation.
Maple Wood Flour Filler Grade
Ultra-fine maple hardwood flour (200 mesh) for thermoset resin fillers and putties. HTS 4405.00.00.00 applies to this powdered wood product enhancing viscosity control in adhesives. Consistent particle distribution ensures uniform mixing.
Cedar Excelsior Moth Repellent Packing
Aromatic western red cedar wood wool shavings naturally repelling moths in storage chests. HTS 4405.00.00.00 classification for excelsior valued for its volatile oil content. 1-2 inch pieces maximize scent dispersion.
Birch Wood Flour for Linoleum
Specially screened birch wood flour (80-120 mesh) for traditional linoleum flooring production. Classified under HTS 4405.00.00.00 as the primary filler providing floor resilience. Low resin content prevents oxidation issues.
Mixed Hardwood Excelsior Crafts
Colored and cut mixed hardwood excelsior for arts, crafts, and model making projects. HTS 4405.00.00.00 covers this decorative wood wool in various lengths and hues. Non-toxic dyes meet toy safety standards.
Poplar Wood Flour Paint Extender
325 mesh poplar wood flour serving as economical extender pigment in architectural paints. HTS 4405.00.00.00 classification for this ultra-fine white wood powder improving opacity. High brightness essential for paint formulations.
Fir Wood Wool Mulch
Coarse fir excelsior shreds used as decorative landscape mulch and erosion control. Falls under HTS 4405.00.00.00 as untreated wood wool providing moisture retention. 3-6 inch lengths optimal for ground coverage.
Beech Wood Flour Composite Filler
High-density beech wood flour (150 micron) for wood-plastic composites and particleboard. HTS 4405.00.00.00 covers this engineered wood powder improving mechanical properties. Pre-dried to 2% moisture for processing.
Cottonwood Excelsior Hammock Stuffing
Ultra-soft cottonwood excelsior filling for hammocks, cushions, and natural mattresses. Classified HTS 4405.00.00.00 for lightweight, resilient wood wool stuffing. Naturally hypoallergenic properties.
Walnut Shell Flour Abrasive Grade
Note: While typically from nuts, certain wood flours mimic this; fine walnut-like hardwood flour for gentle abrasives. HTS 4405.00.00.00 for precision polishing powders. 400 grit equivalent particle size.
Hemlock Wood Wool Insulation
Compressed hemlock excelsior panels for loose-fill wall insulation (R-value 2.2 per inch). HTS 4405.00.00.00 classification for cellulosic wood wool insulation. Borate treatment for fire/smoldering resistance.
Teak Wood Flour Marine Putty
Rot-resistant teak wood flour for marine epoxy putties and boatbuilding fillers. HTS 4405.00.00.00 covers this oily hardwood powder providing waterproof bulk. 120-200 mesh optimal sandability.