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TACHI (Sclerolobium spp)
Trade Name
Tachi
Scientific Name
Sclerolobium spp.
Family
LEGUMINOSAE
Common Names
Yawarridana (Guyana); Tachyseiro Branco (Brazil); Zapatero Blanco (Venezuela); Jíbaro (Ecuador); Milongo (Bolivia); Ucshaquiro Blanco (Peru); Taxi (Brazil); Tapacaré (Brazil); Tapia; Passuaré (Brazil); Passariuva Preta (Brazil); Passariuva Clara (Brazil); Ingauçú (Brazil); Gramamunha (Brazil); Carapuçú (Brazil); Canela Freijó (Brazil); Cainga (Brazil); Arapuçú (Brazil); Angá (Brazil); Passariuva (Brazil)
Description Of The Tree
Botanical Description
The tree is reported to attain a height of about 30 m and diameter of 70 cm, with commercial lengths of 19 m in the average.
Natural Habitat
Sclerolobium trees are found in secondary forests, growing on well drained soils
Natural Distribution
This genus is distributed in northern South America down to Bolivia.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. 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 pits similar to intervessel pits in size and shape. I Paratracheal axial parenchyma thin vasicentric. Occasionally axial parenchyma lozenge-aliform. Occasionally prismatic crystals in chambered axial parenchyma cells and/or in fibers. 3 to 4 cells per parenchyma strand. Rays more than 10 per mm (abundant). Rays exclusively uniseriate. Occasionally silica bodies in the ray cells. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Occasionally septate fibers present. Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Odor
Odor or taste are absent.
Color
The sapwood is pink, the heartwood is very light brown color.
COLOR INDEX (1=Black, 7=Light yellow,white)
4
Grain
Interlocked grain is reported in this species.
Texture
This species is usually reported to have a coarse texture.
Luster
This wood is commonly of high luster.
Natural durability index (1= Very high durability, 7=Vey low durability)
6
Silica Content
Silica Content: This species has a negligible silica content (0.04%). Silica Value: 0.04
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.52
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.57
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.5
Total shrinkage Radial (Saturated to 0%MC) (%)
4.1
Recommended Dry Kiln Schedule
BR-B; JUNAC-B
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.1
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
828
Compression parallel to fiber 12%MC (kgf/cm²)
410
Workability
Sawing
Wood of this species is easy to cut.
Planing
This species is easy to plane.
Boring
Boring operations are reported to be fair.
Mortising
It is easy to mortise.
Sanding
Sanding of this species is reportedly easy.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, boards, frames, panelling, fittings, shutter boards, FURNITURE AND CABINETS, common furniture, PLYWOOD AND VENEER, cores, common veneer, SPORTS, table tennis, PACKING, light packing, CONTAINERS, truck bodies, OTHER AND MUSICAL INSTRUMENTS, handicrafts, door core
General Housing
- 10 - Silica in Timbers
Boards
- 13 - Dry kiln schedules for commercial woods. Temperate and tropical. Section III. Latin American (Mexico, Central, and South America) Woods–Conventional Temperatures
Frames
- 16 - Woods of the World
Paneling
- 18 - W3TROPICOS Missouri Botanical Garden
Fittings
- 19 - Silica in Timbers
Shutter Boards
- 20 - Prospect: The wood database
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Furniture, Common
- 23 - Handbook of Hardwoods
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Cores
- 27 - Embassy of Brazil in Japan
Common Veneer
- 29 - Embassy of Ecuador in Japan
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
- 41 - Embassy of the Philippines
Packing
- 45 - Recopilación y Análisis de Estudios Tecnológicos de Maderas Peruanas
Light Packing
- 46 - ECUADOR, Inventario y Aprovechamiento de los Bosques del Sur Ecuatoriano
Truck Body
- 53 - Timbers of the New World
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Door Cores
- 76 - Descripción General y Anatómica de 105 Maderas del Grupo Andino.
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