Mixed SPF Wood Chips
Chips from Spruce-Pine-Fir mixed coniferous stands where exact species proportions vary, used in commercial biomass facilities. HTS 4401.21.00.00 accommodates mixed coniferous particles for fuel.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sawn or chipped lumber from same S-P-F stands
Mixed SPF destined for lumber production uses specific lumber classifications vs fuel particles.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Reference 4407.13 'S-P-F' note for origin verification even though particles remain in 4401
• Batch-test for uniform combustion properties due to species mixing variability
• Separate from hemlock-fir ('Hem-fir') sources that reference different subheading notes
Related Products under HTS 4401.21.00.00
Pine Wood Chips
Roughly cut chips from pine trees (Pinus spp.), a coniferous species, used primarily as fuel in industrial boilers or biomass energy production. Classified under HTS 4401.21.00.00 as coniferous wood in chips or particles, not agglomerated into pellets or briquettes.
Spruce Sawdust
Fine particles generated from sawmilling spruce (Picea spp.) logs, a coniferous softwood, commonly burned as biomass fuel. Falls under HTS 4401.21.00.00 as coniferous wood waste in particle form, whether or not agglomerated but not meeting pellet/briquette specs.
Fir Wood Particles
Mixed particle sizes from fir trees (Abies spp.), including shavings and small chips, used in residential wood stoves and industrial furnaces. HTS 4401.21.00.00 covers coniferous wood in chips or particles form for fuel applications.
Larch Wood Chips
Chips from larch (Larix spp.) trees, valued for high BTU content in biofuel production. As coniferous wood particles, precisely matches HTS 4401.21.00.00 criteria for fuel-grade wood waste.
Cedar Sawdust Fuel
Fine cedar (Cedrus or Thuja spp.) sawdust from milling operations, popular for aromatic biomass fuel in heating applications. HTS 4401.21.00.00 applies to all coniferous wood particles used as fuel.
Douglas Fir Shavings
Thin shavings from Douglas fir (Pseudotsuga menziesii) planer operations, ideal for pellet mill feedstock or direct combustion. Coniferous particles qualify under HTS 4401.21.00.00 before agglomeration.