< Voltar LOURO VERMELHO (Nectandra rubra) Para Imprimir
LOURO VERMELHO (Nectandra rubra)
Nome comercial
Louro vermelho
Nome científico (autor)
Nectandra rubra (Mez) C.K. Allen
Família
LAURACEAE
Nomes comuns
Teteruma; Surinam mahogany; Laurier canelle; Laurier; Ishpingo maraco; Cirouaballi; Braloc; Bewana; Baaka; Red Wood; Louro Rosa (Brazil); Louro Mogno (Brazil); Louro Canela (Brazil); Gamela (Brazil); Canela Vermelha (Brazil); Louro Vermelho (Brazil); Louro-Tamanco (Brazil); Louro-Preto (Brazil); Louro-Freijó (Brazil); Louro (Brazil); Fruta-De-Pombo (Brazil); Grignon; Teteroma; Tetruma; Wane; Wana; Red Louro; Louro Roxo (Brazil); Grignon Rouge; Grignon Franc; Determa
Nome científico sinônimo (autor
Sextonia rubra (Mez) van der Werff; Ocotea rubra Mez
DESCRIÇÃO DA ÁRVORE
Descrição botânica
The trees are reported to be large, reaching heights of up to 40 m, with trunk diameters of 60 to 90 cm, up to 130 cm. The boles are straight and cylindrical, with commercial lengths of about 12 to 18 m and even 20 m. It presents small buttresses up to 1
Habitat natural
Nectandra rubra is found in primary forests in northern Brazil and the Guyanas. It is reported to prefer sandy or loamy soils.
Distribuição natural
The species is reported to occur in the Guyanas and the lower Amazon region of Brazil.
IDENTIFICAÇÃO DA MADEIRA
Descrição anatômica da madeira (macro e micro)
Wood diffuse porous. Tangential diameter of vessel lumina 150 to 200 micras (medium). Tyloses thin walled. Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray pits larger than the intervessel pits. Intervessel pits large, 10 micras or more Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Paratracheal axial parenchyma scanty and/or vasicentric. 5 to 8 cells per parenchyma strand. Rays less than 4 per mm (rare). Rays 1 to 4 seriate. Body ray cells procumbent with one row of upright and/or square marginal cells (Kribs-III). Occasionally septate fibers present.
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
Seasoned wood has no distinctive taste or odor.
Cor
The sapwood is differentiated. The heartwood is light reddish-brown with a golden sheen.
Indice de cor
5
Grã
The grain is interlocked to straight. An attractive figure can be observed on quarter-sawn surfaces.
Veios ou desenhos na superfície
The texture is described as rather coarse.
Brilho
Wood surfaces are described as highly lustrous.
DURABILIDADE NATURAL
It is resistant to very resistant to attack by white-rot, resistant to brown-rot, and moderately resistant to dry-wood termite attack. Its resistance to marine-borers is rated as similar to that of teak.
Indice de durabilidade natural
2
Tratamento preservativo
The heartwood is reported to be non-treatable.
PROPRIEDADES FÍSICAS DA MADEIRA
Densidade básica (Peso seco/Volume saturado) (g/cm³)
0.57
Densidade seca ao ar 12% (g/cm³)
0.63
Contração Tangencial Total (Saturado até peso seco) (%)
8.6
Contração Radial Total (Saturado até peso seco) (%)
4.1
Programa de secagem recomendável
UK-E; US-T6-D2
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
2.1
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
909
Flexão Estática a 12% (Módulo de elasticidade) (kgf/cm²)
117241
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
579
Resistência a compressão perpendicular as fibras a 12% (kgf/cm²)
48
Cisalhamento radial a 12% (kgf/cm²)
71
Dureza Janka a 12% (perpendicular) (kgf)
321
Dureza Janka a 12% (paralela) (kgf)
313
TRABALHABILIDADE
Serrar ou Cortar
Sawing of this species is reported to be rather easy.
Desdobro da tora em torno para lâminas
It is interesting for slicing. For peeling thermal treatments are recommended.
Desdobro da tora em faqueadeira para lâminas
It is interesting for slicing. For peeling thermal treatments are recommended.
Desgaste de ferramentas
The wood may have slight blunting effect on cutting tools. It planes, turns, bores, moulds, and mortises rather well.
Aplainamento
The timber is reported to respond well to most ordinary tools, with only slight blunting on cutting edges.
Torneamento
30
Comportamento na aplicação de pregos
Good to fair nail-holding properties.
Colagem
The material is reported to have very good gluing properties.
Operação de lustre da superfície (brilho)
Polishing characteristics are rated as fairly good.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
HOUSING GENERAL, boards, frames, steps, panelling, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, faces, Decorative veneer, TURNING, lasts, BENDING, tennis rackets, SPORTS, table tennis, TOOLS, agricultural tools, PACKING, light packing, CONTAINERS, cooperage, NAVAL CONSTRUCTION, boats, boat deck, OTHER AND MUSICAL INSTRUMENTS, handicrafts, door core, moldings
CASAS
- 10 - Silica in Timbers
Tábuas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Marcos de portas
- 16 - Woods of the World
Degraus de escada
- 17 - Tree Conservation Database
Painéis
- 18 - W3TROPICOS Missouri Botanical Garden
MÓVEIS GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Móveis comuns
- 23 - Handbook of Hardwoods
CHAPAS
- 25 - Directory of Timber Trade Malaysia
Lâminas de superfície das chapas
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Lâminas decorativas
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneamento
- 30 - Embassy of Honduras in Japan
Formas de sapateiro
- 34 - Embassy of Indonesia in Japan
Resistência a flexão
- 35 - Embassy of Myanmar in Japan
Raquetes de tênis
- 37 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
INSTRUMENTOS ESPORTIVOS
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Pin pong
- 41 - Embassy of the Philippines
FERRAMENTAS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Cabos de instrumentos agrícolas
- 44 - Atlas of Peruvian Woods
PALETES PARA EMBALAGENS
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Caixotaria leve
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
CAIXA GRANDE OU CONTAINER
- 50 - Properties of imported tropical woods
Tanoaria
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
CONSTRUÇÃO NAVAL
- 55 - Tropical Timber Atlas of Latin America
Barcos
- 56 - Manual de Identificación de Especies Forestales de la Subregión Andina.
Coberta para barcos
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
Artesanato
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Alma de porta
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
Molduras de quadros
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Please Provide Information To View Producer Information