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PAU AMARELO (Euxylophora paraensis)
Nome comercial
Pau Amarelo
Nome científico (autor)
Euxylophora paraensis Huber
Família
RUTACEAE
Nomes comuns
Satinwood; Satean wood; Pequia cetim; Pau-cetim; Pau amarello; Pao setim; Pao amarello; Muirataua; Muira-taua; Limao-rana; Cetim; Canary wood; Brazilian satinwood; Boxwood; Bois bresil; Amarelo-cetim; Amarello; Pequia Setim (Brazil); Pau Setim (Brazil); Limão Rana (Brazil); Pau Amarelo (Brazil); Brazilian Satin Wood; Vinhatico De Macacaco (Brazil); Vinhatico De Espino (Brazil); Pau Pará Amarelo (Brazil); Amarelo Vinhatico (Brazil); Amarelo (Brazil); Brazilian Boxwood; Sateen Wood
DESCRIÇÃO DA ÁRVORE
Descrição botânica
It is a dominant tree, it attains heights of about 40 m and diameters of 100 cm. Bigger sizes are also reported.
Habitat natural
The natural growth range of this species is reported to be restricted to the non-inundated terra firme forests of the lower Amazon basin in Brazil.Vulnerable(IBAMA,2001)
IDENTIFICAÇÃO DA MADEIRA
Descrição anatômica da madeira (macro e micro)
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 to 150 micras (small). Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. I Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Occasionally apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Rays less than 4 per mm (rare). Rays 1 to 4 seriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Oil and/or mucilage cells associated with the axial and/or ray parenchyma (idioblasts). Occasionally septate fibers present. Fibers with simple to minutely bordered pits.
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
Odor and taste are reported to be indistinct.
Cor
The sapwood and heartwood are not clearly differentiated. The wood is lemon yellow becoming yellowish pale brown color.
Indice de cor
6
Grã
The grain can be straight or interlocked.
Veios ou desenhos na superfície
The texture is typically medium to fine.
Brilho
The material is reported to be moderately lustrous.
DURABILIDADE NATURAL
E. paraensis has very good resistance to fungi and termites, and good resistance to dry-wood insects.
Indice de durabilidade natural
3
Tratamento preservativo
It is reported to be untreatable either with oil or water based preservatives.
PROPRIEDADES FÍSICAS DA MADEIRA
Densidade básica (Peso seco/Volume saturado) (g/cm³)
0.69
Densidade seca ao ar 12% (g/cm³)
0.78
Contração Tangencial Total (Saturado até peso seco) (%)
6.8
Contração Radial Total (Saturado até peso seco) (%)
5.6
Defeitos causados pela secagem
Drying Defects: Severe checking and moderate warping are reported.
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
1.2
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
1172
Flexão Estática a 12% (Módulo de elasticidade) (kgf/cm²)
145746
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
715
Resistência a compressão perpendicular as fibras a 12% (kgf/cm²)
122
Cisalhamento radial a 12% (kgf/cm²)
147
Dureza Janka a 12% (perpendicular) (kgf)
836
Dureza Janka a 12% (paralela) (kgf)
1050
TRABALHABILIDADE
Serrar ou Cortar
Cutting resistance is generally low.
Desgaste de ferramentas
The wood exerts a slight blunting effect on cutters.
Aplainamento
The material is reported to be fairly easy to plane, unless interlocked grain is present.
Torneamento
30
Comportamento na aplicação de pregos
The wood is easy to nail, but pre-boring is necessary.
Colagem
Gluing properties are rated as satisfactory.
Operação de lustre da superfície (brilho)
Polishing of this wood is easy.
Trabalhabilidade com ferramentas manuais
Interlocked grain, if present, can present some difficulties.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
EXTERIOR GENERAL, bridges, rails, crossarms, crossties, HOUSING GENERAL, beams, joists, boards, flooring, frames, steps, panelling, FURNITURE AND CABINETS, common furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, BENDING, chairs, tennis rackets, SPORTS, table tennis, TOOLS, tool handles, agricultural tools, PACKING, heavy packing, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat deck, OTHER AND MUSICAL INSTRUMENTS, violin, handicrafts, yoke, door core
EXTERIOR
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Pontes
- 2 - 25 madeiras da amazonia de valor comercial, caracterizacao, macroscopica, usos comuns e indices qualificativos
Varão de cerca
- 6 - Physical and mechanical properties of Eucalyptus deglupta Blume grown in Costa Rica
Cruzetas
- 7 - Maderas latinoamericanas. II, Quercus alata Q. costaricensis y Q. eugeniaefolia
Dormentes
- 8 - Maderas latinoamericas. III, Podocarpus standleyi ,Podocarpus oleifolius, Drims granadensis, Magnolia poasana y Didymopanax pittieri
CASAS
- 10 - Silica in Timbers
Vigas
- 11 - Prospect: The wood database
Vigotas
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Tábuas
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Pisos
- 14 - Handbook of Hardwoods
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
Gabinetes
- 24 - Empire Timbers
CHAPAS
- 25 - Directory of Timber Trade Malaysia
Lâminas decorativas
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Torneamento
- 30 - Embassy of Honduras in Japan
Artigos torneados
- 31 - Embassy of Colombia in Japan
Artigos torneados
- 32 - Embassy of Cote d`Ivoire in Japan
Cabo de faca
- 33 - Embassy of Gabon in Japan
Formas de sapateiro
- 34 - Embassy of Indonesia in Japan
Resistência a flexão
- 35 - Embassy of Myanmar in Japan
Cadeiras
- 36 - Autoridad Nacional del Ambiente, Panama
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.
Mangos herramientas
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Cabos de instrumentos agrícolas
- 44 - Atlas of Peruvian Woods
PALETES PARA EMBALAGENS
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Caixotaria pesada
- 47 - Arvores Brasileiras
Carroceria de caminhão
- 53 - Timbers of the New World
Pisos para assoalho de trem
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
CONSTRUÇÃO NAVAL
- 55 - Tropical Timber Atlas of Latin America
Coberta para barcos
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
ARTIGOS MUSICAIS E OUTROS
- 63 - Madeiras do Brazil II
Violino
- 64 - Maderas latinoamericanas. V. Carapa sp., Virola koschnyi, Terminalia lucida y Brosimum costaricanum.
Artesanato
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Yokes
- 74 - World Timbers, Vol.2, North and South America
Alma de porta
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
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