Cumaru is rated as Exterpark wood fitness A.
COLOR: yellow-red, dark interweaved grain
Will fade to silver grey if exposed to U.V. rays.
High density wood with no risk to be attacked by termite.
GRAIN: very interweaved
DENSITY: 1.070 kg/m3
HARDNESS: (11.0) very hard
Volumetric: - (0.73)
Tangential: 7.9 (-)
Radial: 5.5% (-)
DURABILITY: very resistant against the action of fungi, termites and marine xylophagi.
Static bending - bending strenght:
Elasticity Module: 22.000 N/mm2
Axial compression: 105 N/mm2
Perpendicular compression: 21 N/mm2 (ASTM)
Shear stress: 22 N/mm2