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TAMBOTI (Spirostachys africana)
Nome comercial
Tamboti
Nome científico (autor)
Spirostachys africana Sond.
Família
EUPHORBIACEAE
Nomes comuns
Sandalo africano (Portugal); Tambootie (Uganda); Mtomboti (Uganda); Tambootie (Tanzania); Mtomboti (Tanzania); Tambootie (Kenya); Mtomboti (Kenya); Tambootie (Ethiopia); Mtomboti (Ethiopia); Muconite (Mozambique); Omupapa (Angola)
Nome científico sinônimo (autor
Stillingia africana (Sond.) Baill.; Excoecaria africana (Sond.) Muell. Arg.
DESCRIÇÃO DA ÁRVORE
Descrição botânica
The tree reaches a height of 12 to 15 m. The bole is straight, fluted, up to 6 m in length. The trunk diameter is 40 to 80 cm.
Habitat natural
Spirostachys africana occurs in savanna forests and the coastal belt of the tropical zone.
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 micras or less (very small). Black-colored deposits in heartwood vessels. Non-vestured pits. Vessels per mm2 more than 20 (very abundant). Simple Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Prismatic crystals in non-chambered axial parenchyma cells. Prismatic crystals in short chains in chambered axial parenchyma cells. 3 to 4 cells per parenchyma strand. Rays more than 10 per mm (abundant). Rays non-storied. Rays exclusively uniseriate. Prismatic crystals in radial alignment in procumbent ray cells (chambered cells). Prismatic crystals in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays Non-septate fibers. Fibers with simple to minutely bordered pits.
DISPONIBILIDADE
Situação CITES sobre a proteção
Unrestricted
DESCRIÇÃO GERAL DA MADEIRA
Odor ou Cheiro
Pleasant odor.
Cor
The sapwood is white, it has a thickness of 2.5 to 5 cm. The heartwood is dark brown, almost black, it is clearly demarcated.
Grã
Wavy; special care is needed when machining in order to obtain satisfying quality surface.
Veios ou desenhos na superfície
This species is usually reported to have a fine texture.
DURABILIDADE NATURAL
Durable to decay; this species can be utilized without preservative treatment for exterior joinery or similar uses. Resistant to termites attack. Heartwood is resistant to Lyctus attacks.
Indice de durabilidade natural
1
Tratamento preservativo
Nearly impossible to treat with a too much low penetration of the preservative substances.
PROPRIEDADES FÍSICAS DA MADEIRA
Defeitos causados pela secagem
Ease of Drying: Air-seasoning difficult. Kiln-seasoning recommended
Programa de secagem recomendável
FR-9
Programa de secagem detalhado
http://www.tropicaltimber.info/wp-content/uploads/2015/09/KD_French.pdf
PROPRIEDADES QUÍMICAS DA MADEIRA
PROPRIEDADES MECÂNICAS DA MADEIRA
TRABALHABILIDADE
Serrar ou Cortar
Sawing of this species requires powerful equipment.
Desdobro da tora em torno para lâminas
Suitable for slicing.
Desdobro da tora em faqueadeira para lâminas
Suitable for slicing.
Desgaste de ferramentas
Moderate blunting effect; stellited blades for sawing and carbide tools for machining are advised.
Aspectos do processamento em máquinas
It needs powerful tools for processing. Possible difficulties caused by interlocked grain are reported.
Aplainamento
Easy; no particular problems.
Aplicação para molduras
Moderately easy; tools must be cautiously sharpened.
Torneamento
30
Furação
Moderately easy; tools must be cautiously sharpened.
Fresagem_ranhura_canais
Moderately easy; tools must be cautiously sharpened.
Comportamento na aplicação de pregos
Pre-boring is necessary.
Colagem
Difficult to glue because of the extracts content.
Lixamento
Easy to perform; it gives good results.
Operação de lustre da superfície (brilho)
Can be polished without surface preparation.
Trabalhabilidade com ferramentas manuais
Working with hand tools is difficult.
USOS FINAIS RELATADOS
USOS FINAIS (RESUMO)
HOUSING GENERAL, flooring, parquet, steps, FURNITURE AND CABINETS, luxury furniture, cabinets, PLYWOOD AND VENEER, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings
CASAS
- 10 - Silica in Timbers
Pisos
- 14 - Handbook of Hardwoods
Parquets
- 15 - Empire Timbers
Degraus de escada
- 17 - Tree Conservation Database
MÓVEIS GABINETES
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Móveis finos
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
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
Artesanato
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Molduras de quadros
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
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