( Aspidosperma Macrocarpon )
Average Dried Weight: 47 lbs/ft 3 (755 kg/m 3 )
Specific Gravity (Basic, 12% MC): .65, .75
Janka Hardness: 1,670 lb f (7,450 N)
Modulus of Rupture: 15,640 lb f /in 2 (107.8 MPa)
Elastic Modulus: 2,002,000 lb f /in 2 (13.81 GPa)
Crushing Strength: 9,140 lb f /in 2 (63.0 MPa)
Shrinkage: Radial: 3.8%, Tangential: 6.4%, Volumetric: 11.6%, T/R
Color/Appearance: Heartwood color ranges from yellow to pinkish
red, sometimes with darker streaks of purple or brown. Gray to yellow
sapwood not sharply demarcated from heartwood. Color tends to darken
Grain/Texture: Grain is generally straight to slightly irregular or
interlocked. Texture is fine and uniform.
Endgrain: Diffuse-porous; small to medium pores in no specific
arrangement, numerous; exclusively solitary; heartwood gum deposits
and tyloses occasionally present, though not easily observed with lens;
narrow rays not visible without lens, normal spacing; parenchyma
diffuse-in-aggregates, though not easily observed with lens.
Rot Resistance: Rated as durable regarding decay resistance,
though susceptible to termite attack.
Workability: Overall easy to work, producing good results, though
Peroba Rosa has an above average blunting effect on cutters. Glues, turns,
and finishes well.
Common Uses: Veneer, furniture, cabinetry, general construction
(within natural range), carvings, and turned objects.
Useful info’s: Reported to have good acoustic properties.