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ARARIBà (Centrolobium paraense)
Trade Name
Araribà
Scientific Name
Centrolobium paraense Tul.
Family
LEGUMINOSAE
Common Names
Tipiri; Red wood; Putumuyu; Putumuju vermelho; Putumuju amarello; Putumuju; Potomuju; Pau da rainha; Mutumuju; Kartang; Iririba rosa; Iririba; Guayacan hobo; Guarariba; Cartanye; Cartanie; Carijo; Caguaro; Caaguassu; Caa-mirim; Birote de montana; Araruva; Ararauva; Ararauba; Amarillo lagarto; Canary Wood; Balaustre; Arariba (Brazil); Pau Rainha (Brazil); Cartan; Araribá (Brazil)
Scientific Name Synonyms
Centrolobium patinense Pittier; Centrolobium paraense var. orenocense Benth.; Centrolobium orenocense (Benth.) Pittier
Description Of The Tree
Botanical Description
The size of the mature tree is reported to be medium to large, attaining heights of 20 to 30 m, and trunk diameters of about 40 to 50 cm. Occasionally, narrow buttresses are reported.
Natural Habitat
Centrolobium trees are distributed in Central and South American tropical rain forests.
Non Timber Uses
Sometimes it presents brittle blackish zones.
Wood Identification
Anatomic Description Of Wood
Wood diffuse porous. Vessels solitary and in short radial multiples. Tangential diameter of vessel lumina 100 to 150 micras (small). Vessels per mm2 10 to 20 (abundant). Simple perforation plates. Vessel-ray pits similar to intervessel pits in size and shape. I Axial parenchyma in marginal or in seemingly marginal bands. Paratracheal axial parenchyma scanty and/or vasicentric. Occasionally axial parenchyma aliform. Axial parenchyma storied. Prismatic crystals in chambered axial parenchyma cells and/or in fibers. Two 4 to 10 rays per mm (medium). Rays storied. Rays exclusively uniseriate. Homogeneous rays and/or sub-homogeneous rays (all ray cells procumbent). Fibers with simple to minutely bordered pits.
Availability
Cites Status
Unrestricted
General Wood Description
Color
The heartwood is yellow to orange beige, clearly differentiated from the yellowish sapwood. Occasionally fine dark veins are reported.
COLOR INDEX (1=Black, 7=Light yellow,white)
5
Grain
This species is reported to have straight to irregular grain.
Texture
The texture of the wood is fine to medium.
Luster
This species is high in luster.
Natural Durability
This species is reported to have a good durability against decay, insects and marine borers.
Natural durability index (1= Very high durability, 7=Vey low durability)
1
Resistance To Impregnation
It is very difficult to treat with preservatives.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.69
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.78
Total shrinkage Tangential (Saturated to 0%MC) (%)
5.6
Total shrinkage Radial (Saturated to 0%MC) (%)
2.5
Drying Defects
Ease of Drying: It is easy to season. Drying Defects: Superficial checks are frequently observed. Slight risk of warping. Kiln Schedules: Careful drying is recommended.
Recommended Dry Kiln Schedule
US-T6-D2; UK-E
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
2.3
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1167
Stiffness (MOE) 12%MC (kgf/cm²)
149897
Compression parallel to fiber 12%MC (kgf/cm²)
599
Shear strength radial 12%MC (kgf/cm²)
122
Janka hardness (side) 12%MC (kgf)
758
Janka hardness (end grain) 12%MC (kgf)
909
Workability
Sawing
Considering its density, sawing operations are not difficult but powerful equipment is required.
Rotary Veneer Cutting
Slicing of Centrolobium timbers is reported to be interesting for decorative veneer.
Sliced Veneer
Slicing of Centrolobium timbers is reported to be interesting for decorative veneer.
Machining
This species is easy to machine.
Planing
Planing is easy, but it gives fuzzy surfaces on radial boards.
Turning
30
Nailing
Pre-boring is recommended.
Finishing
This wood give a smooth finish, but fuzzy surfaces on radial boards are reported.
Polishing
This species has a fair behavior in polishing.
REFERENCED USES
End Uses Summary
HOUSING GENERAL, beams, joists, boards, flooring, frames, FURNITURE AND CABINETS, luxury furniture, PLYWOOD AND VENEER, faces, Decorative veneer, TURNING, ornaments, turned furniture, cutlery, lasts, BENDING, chairs, tennis rackets, SPORTS, golf polo clubs, table tennis, TOOLS, tool handles, agricultural tools, CONTAINERS, cooperage, truck bodies, truck flooring, NAVAL CONSTRUCTION, boat fins, boat deck
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
Flooring
- 14 - Handbook of Hardwoods
Frames
- 16 - Woods of the World
Furniture Cabinets
- 21 - Tropical timbers of the world. Part III-Southeast Asian and Oceanian Species.
Furniture, Luxury
- 22 - Dry kiln schedules for commercial woods. Temperate and tropical. Section IV-Asian and Oceanian Woods
Panels, Veneers
- 25 - Directory of Timber Trade Malaysia
Faces
- 26 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Decorative veneer
- 28 - Ministry of Agriculture, Fisheries & Forest of Fiji
Turning
- 30 - Embassy of Honduras in Japan
Ornaments
- 31 - Embassy of Colombia in Japan
Turned Articles
- 32 - Embassy of Cote d`Ivoire in Japan
Knife Handles
- 33 - Embassy of Gabon in Japan
Lasts
- 34 - Embassy of Indonesia in Japan
Bending
- 35 - Embassy of Myanmar in Japan
Chairs
- 36 - Autoridad Nacional del Ambiente, Panama
Tennis Rackets
- 37 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Club Golfpolo
- 39 - Internet
- 41 - Embassy of the Philippines
Tools
- 42 - Utilización Industrial de Nuevas Especies Forestales en el Perú.
Tool Handles
- 43 - Maderas de Bolivia (Características y Usos de 55 Maderas Tropicales)
Agricultural Tools
- 44 - Atlas of Peruvian Woods
Containers
- 50 - Properties of imported tropical woods
Cooperage
- 51 - Recopilacion de propiedades mecanicas de maderas creciendo en Chile
Truck Body
- 53 - Timbers of the New World
Truck Flooring
- 54 - Bulletin of the Government Forest Experiment Station N.157: Identification of Tropical Woods
Shipbuilding
- 55 - Tropical Timber Atlas of Latin America
Boat Fins
- 58 - Guía de Árboles de Bolivia
Boat Decking
- 59 - Programa Nacional de uso Sostenible de los Bosques e Incremento a las Exportaciones.
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