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PRECIOSA (Aniba canelilla)
Nome comercial
Preciosa
Nome científico (autor)
Aniba canelilla (Kunth) Mez
Família
LAURACEAE
Nomes comuns
Preciosa (Brazil)
Nome científico sinônimo (autor
Cryptocarya canelilla Kunth; Aniba elliptica A.C. Sm.
DESCRIÇÃO DA ÁRVORE
Descrição botânica
It is a medium size tree, up to 35 m tall. The commercial length is reported to be 11 m in the average, with an average diameter at breast height of 60 cm. The trunk is straight, with low buttresses.
Habitat natural
Aniba canelilla is reported in the terra firme forests of the Amazon basin.
Distribuição natural
In Brazil it is reported in the Amazonas, Para and Acre states.
IDENTIFICAÇÃO DA MADEIRA
Descrição anatômica da madeira (macro e micro)
Wood diffuse porous. Occasionally vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 to 150 micras (small). Tyloses common. Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits coarse throughout the ray Paratracheal axial parenchyma scanty and/or vasicentric. Paratracheal axial parenchyma thin vasicentric. 5 to 8 cells per parenchyma strand. 4 to 10 rays per mm (medium). Rays 1 to 4 seriate. Prismatic crystals in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Oil and/or mucilage cells at marginal cells of ray parenchyma. Oil and/or mucilage cells associated Septate fibers present. Fibers with simple to minutely bordered pits.
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
It has a pleasant smell.
Cor
The heartwood and sapwood are distinct. The heartwood is dark yellowish-brown and the sapwood is brownish-yellow color.
Indice de cor
1
Grã
Irregular grain is reported in this species.
Veios ou desenhos na superfície
Medium texture is reported in this species.
Brilho
The wood is described as moderate in luster.
Indice de durabilidade natural
4
Tratamento preservativo
The heartwood is reported to be untreatable.
PROPRIEDADES FÍSICAS DA MADEIRA
Densidade básica (Peso seco/Volume saturado) (g/cm³)
1.03
Densidade seca ao ar 12% (g/cm³)
1.22
Contração Tangencial Total (Saturado até peso seco) (%)
8.2
Contração Radial Total (Saturado até peso seco) (%)
6.4
Defeitos causados pela secagem
Ease of Drying: It is moderately difficult to season and kiln dry. Drying Defects: Warping and slight checking are reported. Kiln Schedules: Careful stacking and mild kiln drying are recommended for this species.
Programa de secagem recomendável
BR-A
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
1.3
Programa de secagem detalhado
http://www.tropicaltimber.info/wp-content/uploads/2015/08/KD_Brazilian1.pdf
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
1875
Flexão Estática a 12% (Módulo de elasticidade) (kgf/cm²)
179000
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
997
Resistência a compressão perpendicular as fibras a 12% (kgf/cm²)
206
Cisalhamento radial a 12% (kgf/cm²)
188
Dureza Janka a 12% (perpendicular) (kgf)
1528
Dureza Janka a 12% (paralela) (kgf)
1500
TRABALHABILIDADE
Serrar ou Cortar
Sawing of this species is difficult.
Aplainamento
The planing operations are reported to be fair, but the surface quality is bad.
Torneamento
30
Furação
Boring operations are reported to be fair, with a good finishing.
Lixamento
Sanding operations are reported to be fair as well as the finishing.
Acabamento
Finishing of this species is reportedly easy.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
EXTERIOR GENERAL, HOUSING GENERAL, TURNING
EXTERIOR
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
CASAS
- 10 - Silica in Timbers
Torneamento
- 30 - Embassy of Honduras in Japan
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