TATAJUBA

 In Wood Species, Rough sawn

TATAJUBA

Bagassa guianensis Aubl., Moraceae
Other names:
Amaparirana, amarelão, amarillo, bagaceira, cachaceiro and garrote.
General features:
Heartwood and sapwood distinct by color; golden-yellow heartwood, darkening to yellow-brown; moderate brightness; imperceptible smell and taste; medium density; moderately hard to cut; reverse grain; medium texture.
Durability and Treatment:
The heartwood is resistant to attack of fungi of white and brown rot. In field trials carried out by EMBRAPA in the Amazon, Tatajuba wood has shown to have a natural durability of more than seven years. Considered moderately resistant to attack by marine pin hole. In contact with the soil, it can have a useful life superior to 25 years. Tatajuba wood is difficult to treat with preservative solutions, even under pressure. It presents low permeability to creosote (oleo soluble) preserving solutions, even under pressure.
Processing Characteristics:
The wood of tatajuba is easy to be worked, both with manual or mechanical tools, producing great finishing. It does not accept nails with ease. Pre-drilling of brads is recommended. Air-drying is slow without defects. When drying in oven it presents a slight tendency to warpage, twisting and recessing. Careful process control is recommended to avoid defects.
Physical properties

Mass Density – Apparent at 15% humidity: 820 kg/m³ / Basic: 683 kg/m³
Shrinkage – Radial: 5.5% / Tangential: 7.1% / Volumetric 11.4%

Applications

Construction:
• External heavyweight: railroad tie, crosspieces, stakes, fenders
• Internal heavyweight: trusses, beams, rafters • Lightweight frames: doors, windows
• Internal lightweight, decorative: panels, wainscoting, linings

Floors:
• Boards
• Sticks
• Parquets

Furniture:
• High quality: decorative furniture

Other uses:
• Decorative Laminas
• Decoration and adornment
• Turned parts
• Boats
• Tool Cables

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