Peroba
( 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
Ratio: 1.7
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
with age.
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.
