PEROBA-ROSA

 In Wood Species, Floors

PEROBA-ROSA

Aspidosperma polyneuron waste. Arg., Apocynaceae
Other names:
Amargoso, peroba, peroba-açu, peroba-amarela, peroba-do-sul, peroba-mirim and peroba-rajada.
General features:
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.
Durability and Treatment:
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.
Processing Characteristics:
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.
Physical properties

Mass Density – Apparent at 15% humidity: 790 kg/m³ / Basic: 660 kg/m³
Shrinkage – Radial: 4.0% / Tangential: 7.8% / Volumetric 13.1%

Applications

Construction:
• External heavyweight: railroad sleepers, crosspieces
• Internal heavyweight: trusses, beams, rafters
• Lightweight in frames: stops, windows, shutters, doors

Floors:
• Boards
• Sticks
• Parquets

Furniture:
• General utility: rustic furniture, school desks

Other uses:
• Transport
• Bent or curved parts
• Packaging

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