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.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If activated with chemical treatment for absorbents
Chemically activated wood flour becomes charcoal or activated carbon under 3801.20.
If formed into briquettes >25mm cross-section
Agglomerated wood by-products meeting briquette dimensions fall under 4401.32 specs.
If processed into chemical wood pulp
Pulping process changes classification from mechanical wood flour to Chapter 47 products.
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Import Tips & Compliance
• Include particle size analysis certificates to distinguish from wood powder under other chapters
• Declare moisture content (<10%) to meet filler grade specifications for manufacturing end-uses
• Check REACH compliance if transshipping through EU for chemical additive applications
Related Products 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.
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.