Shibadan

A tough, resilient Guyanese hardwood valued for durability, strength, and long‑life performance.

Common Name(s): Shibadan, Shibadan Wood, Guyanese Hardwood

Scientific Name: Aspidosperma excelsum (primary), Aspidosperma spp. (regional grouping)Eschweilera spp

Distribution: Guyana, Suriname, Northern Brazil

Shibadan is a strong, medium‑to‑high density tropical hardwood known for its durability, stability, and resistance to wear. Native to Guyana and the northern Amazon basin, Shibadan is widely used in flooring, furniture, cabinetry, and general construction. Its warm brown coloration, fine texture, and consistent grain make it a versatile species suitable for both interior and exterior applications. Shibadan offers a dependable balance of workability and performance, making it a preferred choice for craftsmen seeking a durable hardwood with excellent stability.

Key Attributes

Appearance

Colour

Light brown to medium brown, sometimes with reddish or olive tones

Grain

Straight to slightly interlocked

Texture

Fine to medium

Density

Heavy

Performance

Workability

Moderate–Difficult (density + occasional silica)

Durability

Durable

Stability

Good dimensional stability

Technical Information

Property	Value
Janka Hardness	1,600–2,000 lbf
Modulus of Rupture	13,500–16,500 psi
Modulus of Elasticity	1,480,000 psi (green) → 1,760,000 psi (12% MC)
Density	50–58 lbs/ft³ (avg ~54)
Crushing Strength	8,000–9,800 psi
Shrinkage (Radial)	4.0%
Shrinkage (Tangential)	7.0%
Shrinkage (Volumetric)	11.0%
T/R Ratio	1.75
Workability	Moderate–Difficult (sharp tools recommended)
Planing	Good with carbide tooling
Sanding	Good
Finishing	Accepts oils and varnish well
Stability	Good dimensional stability
Durability	Durable (resists decay and insects)
Moisture Movement	Moderate