JM - Tropical Wood

Sucupira

Diplotropis purpurea (Rich.) Amshoff

Fabaceae
The tree can grow up to 40 meters in height and has undeveloped buttresses. The wood lacks characteristic odor or taste. The sapwood is clearly differentiated from the heartwood, which, although initially dark brown, becomes lighter following exposure. Whilst very resistant to fungi and termite attack, the wood is susceptible to marine borers.
The wood is moderately difficult to saw, so tape saws with stellite tips are recommended. It is suitable for cutting decorative veneers. When straight, the grain facilitates even brushing; but when interlocked, the flat surfaces may be left with flaws. The wood responds well to nailing, although working with manual tools can be difficult.
The wood is used in home construction and for interior furniture and carpentry (mainly cabinets), but is so versatile that its uses also include sleepers, moldings, turning, packaging, laminates, plywood, and musical instruments. At a local level is also used for crafts.
Radial cut
Tangential cut
Cross cut 10X

Basic density

0.80 g/cm³

Tangential shrinkage

7.4%

Radial shrinkage

5.3%

T/R ratio

1.4

Bending modulus of elasticity

204667 kg/cm²

Breakage modulus of elasticity

997 kg/cm²

Parallel compression (RM)

459 kg/cm²

Perpendicular compression (ELP)

84 kg/cm²

Grain parallel cut

135 kg/cm²

Hardness on the sides

973 kg/cm²

Hardness on the sides

2.90 kg-m