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CHICHA (Sterculia apetala)
Nome comercial
Chicha
Nome científico (autor)
Sterculia apetala (Jacq.) H. Karst.
Família
STERCULIACEAE
Nomes comuns
Tacacazeiro (Brazil); Cutiúba (Brazil); Champanha (Brazil); Achichá (Brazil); Chicha (Brazil); Camajuru (Brazil); Sunsun; Panamá; Chiapas; Bellota; Anacaguita; Chichá (Brazil)
Nome científico sinônimo (autor
Sterculia elata Ducke; Sterculia apetala var. elata (Ducke) E.L. Taylor; Sterculia apetala var. apetala; Helicteres apetala Jacq.
DESCRIÇÃO DA ÁRVORE
Descrição botânica
It is reported to reach heights of 24 to 40 m, with trunk diameters of 50 to 70 cm or even 200 cm. The boles are straight and cylindrical, up to 15 to 25 m long. It presents well developed, steep buttresses.
Habitat natural
Sterculia apetala is commonly found in the forests of tropical America, on occasionally inundable areas.
Distribuição natural
It is reported to be distributed from Mexico southward to Bolivia.
Existência de plantações?
It is planted in the tropics for shadow and also for seeds.
IDENTIFICAÇÃO DA MADEIRA
Descrição anatômica da madeira (macro e micro)
Wood diffuse porous. Vessels solitary and in short tangential multiples. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 200 micras or more (large). Vessels per mm2 less than 6 (rare). Simple perforation plates. Vessel-ray p Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Axial parenchyma lozenge-aliform. Axial parenchyma storied. Prismatic crystals in non-chambered axial parenchyma cells. 3 to 4 cells per paren Rays less than 4 per mm (rare). Larger rays width 0. 1 mm or more and 2 mm or more in height. Rays non-storied. Larger rays more than 4 seriate. Prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procum Fibers with simple to minutely bordered pits.
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
Odor or taste are absent.
Cor
The sapwood is differentiated, it is pale yellow, the heartwood is reddish yellow when dry.
Indice de cor
5
Grã
The grain is mostly straight
Veios ou desenhos na superfície
The wood is reported to have a coarse texture.
Brilho
The wood is described as moderate in luster.
DURABILIDADE NATURAL
It has a low natural durability, quickly processing is recommended.
Indice de durabilidade natural
5
Tratamento preservativo
Timber of this group is reported to offer no difficulties to preservative treatments.
PROPRIEDADES FÍSICAS DA MADEIRA
Densidade básica (Peso seco/Volume saturado) (g/cm³)
0.38
Densidade seca ao ar 12% (g/cm³)
0.40
Contração Tangencial Total (Saturado até peso seco) (%)
5.2
Contração Radial Total (Saturado até peso seco) (%)
4.0
Defeitos causados pela secagem
Ease of Drying: It dries at a rapid rate. Drying Defects: Severe checking and moderate warping are reported. Kiln Schedules: Reduced drying rates are recommended to minimize degrade.
Estabilidade dimensional (Contração Tangencial Total %/Contração Radial Total %)
1.3
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
Resistência a flexão a 12% (Módulo de ruptura) (kgf/cm²)
470
Flexão Estática a 12% (Módulo de elasticidade) (kgf/cm²)
64500
Resistência a compressão paralela as fibras a 12% (kgf/cm²)
289
Resistência a compressão perpendicular as fibras a 12% (kgf/cm²)
26
Cisalhamento radial a 12% (kgf/cm²)
49
Dureza Janka a 12% (perpendicular) (kgf)
220
Dureza Janka a 12% (paralela) (kgf)
265
TRABALHABILIDADE
Serrar ou Cortar
This species is easy to saw.
Desdobro da tora em torno para lâminas
It could be useful for rotary peeling.
Desdobro da tora em faqueadeira para lâminas
It could be useful for rotary peeling.
Aspectos do processamento em máquinas
This species is easy to machine.
Aplainamento
Planing of this species is reported to be easy.
Furação
Boring is reported to be easy.
Acabamento
Wood of this species is easy to finish.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
HOUSING GENERAL, shutter boards, FURNITURE AND CABINETS, PLYWOOD AND VENEER, PACKING, light packing, OTHER AND MUSICAL INSTRUMENTS, handicrafts, shoes, coffin, particleboard
CASAS
- 10 - Silica in Timbers
Persianas
- 20 - Prospect: The wood database
MÓVEIS GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
CHAPAS
- 25 - Directory of Timber Trade Malaysia
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
Artesanato
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Sapatos
- 70 - Proprietes physiques et mecaniques des bois tropicaux de l`union francaise
Ataúde
- 78 - Amazonian Timbers for the International Market
Aglomerado
- 80 - Estudio Integral de la Madera para Construcción
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