HS Code 4413
Densified Wood Blocks and Profiles
HS code 4413 is for densified wood in blocks, plates, strips, or profile shapes, identifying timber structurally modified for enhanced density and hardness.
HS Code 4413 — Densified Wood Blocks and Profiles
Densified wood is timber that has been chemically or physically treated (often through extreme compression or resin impregnation) to increase its density, hardness, and mechanical strength. It is used for specialized railway parts, textile shuttles, and heavy-duty industrial components.
What's included
- Impregnated densified wood
- Compreg
- Lignostone
- Compressed wood blocks
What's excluded
- Standard untreated hardwood → use
4407(4413 requires specific densification processing beyond natural growth.) - Particle board → use
4410(Particle board is agglomerated, not densified solid/laminated wood.)
Common examples
- Densified wood plates for electrical insulation
- Highly compressed beechwood blocks
- Resin-impregnated densified timber strips
- Densified wood tool handle blanks
Frequently asked questions
How is wood 'densified'?
It is typically achieved by bonding wood layers with thermosetting resins under very high pressure, making it much heavier and harder than natural wood.
Trade & shipping notes
- Typical duty range: 0% - 5%
- Documentation: Technical data sheets may be required to prove the product meets the definition of 'densified' vs standard timber.
- Typical shipping mode: LCL
- Top exporters: Germany, India, Japan
- Top importers: United States, China, France
Related HS codes
Key takeaway
Relatively rare code for high-performance, structurally engineered wood for industrial use.
Related HS codes
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