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PAU MULATO (Calycophyllum multiflorum)
Nome comercial
Pau mulato
Nome científico (autor)
Calycophyllum multiflorum Griseb.
Família
RUBIACEAE
Nomes comuns
Pau Mulato (Brazil)
Nome científico sinônimo (autor
Calycophyllum spruceanum var. multiflorum (Griseb.
DESCRIÇÃO DA ÁRVORE
Descrição botânica
The tree reaches heights up to 30 m, with straight, well formed boles.
Distribuição natural
It is reported in Bolivia in the departments of Tarija, Chuquisaca and Santa Cruz.
IDENTIFICAÇÃO DA MADEIRA
Descrição anatômica da madeira (macro e micro)
Wood diffuse porous. Vessels solitary and in short radial multiples. Vessels exclusively solitary (over 90%). Tangential diameter of vessel lumina 100 micras or less (very small). Vessels per mm2 more than 20 (very abundant). Simple perforation plates. Vessel-r Axial parenchyma absent or extremely rare, non visible with magnifying glass (8x). Rays more than 10 per mm (abundant). Larger rays more than 4 seriate. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with mostly 2 to 4 rows of upright and/or square marginal cells (Kribs-II). 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
Sapwood and heartwood are not clearly differentiated. The wood is white yellowish in color, with faint light brown streaks.
Indice de cor
5
Grã
This species is reported to have straight grain.
Veios ou desenhos na superfície
The wood is fine textured.
DURABILIDADE NATURAL
This species is reported to be durable or moderately durable. It has a moderate resistance against decay and termites attack.
Indice de durabilidade natural
3
Tratamento preservativo
C. multiflorum is reported to be somewhat permeable, with low absorption of oil based preservatives but good absorption of CCA salts.
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) (%)
7.4
Contração Radial Total (Saturado até peso seco) (%)
4.0
Defeitos causados pela secagem
Ease of Drying: It is reported to air dry rapidly. Drying Defects: It has a tendency to checking and cupping, severe casehardening is also reported.
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
1.9
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
947
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
552
Dureza Janka a 12% (perpendicular) (kgf)
912
TRABALHABILIDADE
Serrar ou Cortar
Sawing operations are rated as fair.
Aspectos do processamento em máquinas
This timber is considered to be moderately difficult to process.
Aplainamento
Planing operations are reported to be fair.
Torneamento
30
Acabamento
Finishing of this species is reportedly easy.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
HOUSING GENERAL, beams, joists, FURNITURE AND CABINETS, common furniture, TURNING, SPORTS, table tennis, TOOLS, tool handles, PACKING, pallets, CONTAINERS, truck bodies, NAVAL CONSTRUCTION, OTHER AND MUSICAL INSTRUMENTS, shoes
CASAS
- 10 - Silica in Timbers
Vigas
- 11 - Prospect: The wood database
Vigotas
- 12 - Tropical timbers of the world. Part I-Tropical American Species
MÓVEIS GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Móveis comuns
- 23 - Handbook of Hardwoods
Torneamento
- 30 - Embassy of Honduras in Japan
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)
PALETES PARA EMBALAGENS
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Paletes
- 48 - The strength properties of timbers
Carroceria de caminhão
- 53 - Timbers of the New World
CONSTRUÇÃO NAVAL
- 55 - Tropical Timber Atlas of Latin America
Sapatos
- 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
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