Cumaru

Wood Fitness:
Cumaru is rated as Exterpark wood fitness A.

 

Physical properties:

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

CONTRACTION: medium

CONTRACTION COEFFICIENT:

Volumetric: - (0.73)

Tangential: 7.9 (-)

Radial: 5.5% (-)

DURABILITY: very resistant against the action of fungi, termites and marine xylophagi.

 

Mechanical properties:

Static bending - bending strenght:
199 N/mm2

Elasticity Module: 22.000 N/mm2

Axial compression: 105 N/mm2

Perpendicular compression: 21 N/mm2 (ASTM)

Shear stress: 22 N/mm2