Cumaru is best known for its rugged beauty and robust performance. Its heartwood boasts a rich medium to dark brown shade, occasionally showing hints of reddish or purplish hues, making each piece unique. Some pieces even showcase streaks of yellowish or greenish-brown for a touch of character. With an interlocked grain and a pleasantly waxy texture, Cumaru wood brings both visual intrigue and tactile satisfaction.
One area Cumaru shines is its durability. It fights off decay and pests like termites and wood borers, making it perfect for outdoor and tough jobs. Working with it can be a bit of a workout due to its dense grain, but the strength, stiffness, and hardness of Cumaru more than compensate. If you need a reliable, beautiful material for heavy-duty projects, Cumaru is an excellent choice.
Common Name(s): Cumaru, Brazilian Teak
Scientific Name: Dipteryx odorata
Distribution: Northern South America
Tree Size: 130-160 ft (40-50 m) tall, 3-5 ft (1-1.5 m) trunk diameter
Average Dried Weight: 68 lbs/ft3 (1,085 kg/m3)
Specific Gravity (Basic, 12% MC): .86, 1.09
Janka Hardness: 3,330 lbf (14,800 N)
Modulus of Rupture: 25,390 lbf/in2 (175.1 MPa)
Elastic Modulus: 3,237,000 lbf/in2 (22.33 GPa)
Crushing Strength: 13,850 lbf/in2 (95.5 MPa)
Shrinkage: Radial: 5.3%, Tangential: 7.7%, Volumetric: 12.6%, T/R Ratio: 1.5
Common Uses: Flooring, cabinetry, furniture, heavy construction, docks, railroad ties, bearings, handles, and other turned objects.
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