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OREY, SAJO (Campnosperma panamense)
Trade Name
Orey, Sajo
Scientific Name
Campnosperma panamense Standl.
Family
ANACARDIACEAE
Common Names
Aures (Panama); Orey (Costa Rica); Orey (Brazil); Vaquerá (Colombia); Orey Wood; Hoary; Orey (Colombia); Sajo (Colombia)
Description Of The Tree
Botanical Description
The mature tree is reported to be medium size, attaining heights of up to 28 m, and trunk diameters of 50 cm in the average. The trees often develop straight cylindrical boles that are free of branches for about 13 m.
Natural Habitat
Campnosperma panamense is found in periodically inundable areas in the tropical rain forest. The trees are reported to be often found in marshy areas in almost pure stands called "sajales".
Natural Distribution
This species is reported from the Atlantic lowlands of Costa Rica, down to Colombia.
Wood Identification
Anatomic Description Of Wood
Occasionally vessels exclusively solitary (over 90%). Tyloses common. Tangential diameter of vessel lumina 100 micras or less (very small). Apotracheal axial parenchyma diffuse and/or diffuse in aggregates. Rays of two distinct sizes. Septate fibers present.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
The wood does not have a distinctive odor.
Color
The heartwood and sapwood are indistinct. The wood is pinkish brown occasionally with grayish bands.
Grain
The wood is normally straight grained.
Texture
The wood is medium textured.
Luster
Luster is described as moderate to high.
Natural Durability
It is attacked by insects and susceptible to decay, and also prone to blue stain.
Natural durability index (1= Very high durability, 7=Vey low durability)
5
Resistance To Impregnation
The wood is easy to impregnate with preservatives.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.39
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.41
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.8
Total shrinkage Radial (Saturated to 0%MC) (%)
5.6
Drying Defects
Ease of Drying: Timber of heavy Cordia is reported to be difficult to dry. Drying Defects: It develops surface checking and end splitting.
Recommended Dry Kiln Schedule
US-T5-C3; JUNAC-B
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.6
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
633
Stiffness (MOE) 12%MC (kgf/cm²)
107000
Compression parallel to fiber 12%MC (kgf/cm²)
328
Compression perpendicular to fiber 12%MC (kgf/cm²)
39
Shear strength radial 12%MC (kgf/cm²)
77
Janka hardness (side) 12%MC (kgf)
236
Janka hardness (end grain) 12%MC (kgf)
399
Workability
Sawing
Cutting resistance is reported to be low.
Machining
It is easy to work, it responds well to most operations, and finishes to yield smooth surfaces.
Planing
It is easy to plane, with smooth surfaces.
Moulding
Molding characteristics are reported to be good.
Boring
The wood responds readily to boring operations to yield clean surfaces.
Mortising
Mortising operations are reported to be relatively easy with ordinary machine tools.
Nailing
The timber is easy to nail and it has good nail-holding properties.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, boards, fittings, FURNITURE AND CABINETS, cabinets, PLYWOOD AND VENEER, PACKING, OTHER AND MUSICAL INSTRUMENTS, handicrafts, moldings, particleboard
General Housing
- 10 - Silica in Timbers
Beams
- 11 - Prospect: The wood database
Joists
- 12 - Tropical timbers of the world. Part I-Tropical American Species
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Fittings
- 19 - Silica in Timbers
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Cabinet
- 24 - Empire Timbers
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Molding
- 79 - Padronização da Nomenclatura Comercial Brasileira das Madeiras Tropicais Amazônicas, Sugestão
Particleboard
- 80 - Estudio Integral de la Madera para Construcción
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