< Retour BALATA BLANC (Micropholis venulosa) Version imprimable
BALATA BLANC (Micropholis venulosa)
Nom commercial
Balata blanc
Nom scientifique (avec auteur)
Micropholis venulosa (Mart. & Eichler) Pierre
Famille
SAPOTACEAE
Noms communs (pays)
Curupixa (Brazil); Guajará (Brazil); Rosadinho (Brazil); Guaiçara (Brazil); Glícia (Brazil); Curupita (Brazil)
Synonymes du nom scientifique (avec auteurs)
Pouteria cataractae Baehni; Platyluma calophylloides (Pierre) Baill.; Micropholis rigida Pierre; Micropholis mucronata Pierre; Micropholis calophylloides Pierre; Meioluma guianensis Baill.; Lucuma venulosa Spruce ex Mart. & Eichler
DESCRIPTION DE L'ARBRE
Description botanique
The trees have commercial lengths of 10 to 20 m, with trunk diameters of 50 to 80 cm , up to 100 cm. The boles are straight and cylindrical, with low buttresses up to 1.5 m.
Habitat naturel
Micropholis venulosa is found in primary forests in the Guyanas and the Amazon basin. It prefers fertile soils.
Répartition naturelle
Guyanas and the Amazon basin.
IDENTIFICATION DU BOIS
Description anatomique du bois
Wood diffuse porous. Vessels in diagonal and/or radial pattern. Vessels solitary and in short radial multiples. Occasionally tangential diameter of vessel lumina 100 micras or less. Tyloses common. Occasionally vessels per mm2 more than 20. Simple perforation p Axial parenchyma in continuous tangential lines (included in reticulate and scalariform). 5 to 8 cells per parenchyma strand. Axial parenchyma in narrow bands on lines up to 3 cells wide. Axial parenchyma bands over 4 per mm. Rays more than 10 per mm (abundant). Rays commonly 2 seriate. Silica bodies in the ray cells. Silica bodies in the ray cells. Heterogeneous rays and/or multiseriate heterogeneous rays. Body ray cells procumbent with over 4 rows of upright and/or square margina Fibers with simple to minutely bordered pits.
Disponibilité
Statut CITES
Unrestricted
DESCRIPTION GÉNÉRALE DU BOIS
Odeur
Odor or taste are absent.
Teinte
The color of the heartwood is dark brown to brown, the sapwood is light brown.
Index de Teinte (1 = Noir, 7 = Jaune clair)
4
Grain
The direction of the grain is straight to wavy.
Texture
This species is usually reported to have a fine texture.
Luster
The wood is described as moderate in luster.
Durabilité naturelle
It is moderately resistant to white-rot fungi and very resistant to brown rot fungi, but susceptible to termites attack.
Index de durabilité naturelle (1 = Très élevée, 7 = Très faible)
4
Résistance à l'imprégnation
The sapwood is easy to preserve.
PROPRIÉTÉS PHYSIQUES DU BOIS
Densité basale ou gravité spécifique (poids anhydre/vol. saturé) (g/cm³)
0.67
Densité sèche à l'air (poids et volume à 12%TH) (g/cm³)
0.75
Retrait tangentiel total (saturé à 0%TH) (%)
9.7
Retrait radial total (saturé à 0%TH) (%)
4.7
Ratio de stabilité dimensionnelle (% retrait tangentiel total/% retrait radial total)
2.1
PROPRIÉTÉS CHIMIQUES DU BOIS
PROPRIÉTÉS MÉCANIQUES DU BOIS
Rigidité (module d'élasticité_ MOE) 12%TH (kgf/cm²)
142000
Résistance à la compression parallèle à la fibre 12%TH (kgf/cm²)
662
Résistance à la compression perpendiculaire à la fibre 12%TH (kgf/cm²)
102
Résistance au cisaillement (radial) 12%TH (kgf/cm²)
147
Dureté Janka (latérale) 12%TH (kgf)
780
Dureté Janka (extrémités) 12%TH (kgf)
1018
OUVRABILITÉ
Tournage
30
Perçage
Boring is reported to be easy.
Finissage
Finishing of this wood is easy.
Compatibilité avec outils manuels
It is difficult to cut with hand tools.
UTILISATIONS
UTILISATIONS FINALES (RÉSUMÉ)
EXTERIOR GENERAL, HOUSING GENERAL, panelling, FURNITURE AND CABINETS, TURNING, cutlery, TOOLS, tool handles, OTHER AND MUSICAL INSTRUMENTS, handicrafts
EXTERIOR GENERAL
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
MEUBLES ET M. DE RANGEMENT
- 10 - Silica in Timbers
Panneaux
- 18 - W3TROPICOS Missouri Botanical Garden
MEUBLES ET M. DE RANGEMENT
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Tournage
- 30 - Embassy of Honduras in Japan
Manches de couverts
- 33 - Embassy of Gabon in Japan
OUTILS
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Outils_manches
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Artisanat
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Please Provide Information To View Producer Information