Aspidosperma polyneuron waste. Arg., Apocynaceae
Amargoso, peroba, peroba-açu, peroba-amarela, peroba-do-sul, peroba-mirim and peroba-rajada.
Sapwood indistinct, pink heartwood when freshly cut, turning to yellow-pink with time, uniform or with darker veins; no brightness; imperceptible smell and slightly bitter taste; medium density; moderately hard to cut; grain right or reverse; fine texture.
Wood of moderate resistance to termites and with low to moderate resistance to rotting fungi. Railroad ties of this wood, without preservative treatment, have an average useful life of six years. The peroba-rosa is susceptible to attack by marine pin hole. Presents low permeability to preservative solutions.
The wood of peroba-rosa is moderately easy to be worked, however it can present certain difficulty when grain reverse occurs. Allows good finishing and is easy to glue. Drying in oven the occurrence of cracks is low, however, warping may occur.
Mass Density – Apparent at 15% humidity: 790 kg/m³ / Basic: 660 kg/m³
Shrinkage – Radial: 4.0% / Tangential: 7.8% / Volumetric 13.1%
• External heavyweight: railroad sleepers, crosspieces
• Internal heavyweight: trusses, beams, rafters
• Lightweight in frames: stops, windows, shutters, doors
• General utility: rustic furniture, school desks
• Bent or curved parts