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MAçARANDUBA (Manilkara amazonica)
Trade Name
Maçaranduba
Scientific Name
Manilkara amazonica (Huber) A. Chev.
Family
SAPOTACEAE
Common Names
Maçaranduba-Verdadeira (Brazil); Paraju (Brazil); Maparajuba (Brazil); Maçaranduba (Brazil)
Scientific Name Synonyms
Mimusops amazonica Huber; Manilkara surinamensis (Miq.) Dubard; Manilkara bidentata subsp. surinamensis (Miq.) T.D
Description Of The Tree
Botanical Description
The tree is usually large, attaining heights of 25 m and a diameter at breast height of 90 cm. The trunk is usually swollen at the base, with straight and cylindrical boles, clear up to 18 m. It presents abundant white latex.
Natural Distribution
The natural distribution of the Manilkara genus is Tropical South America.
Wood Identification
Anatomic Description Of Wood
Tyloses common. Vessels per mm2 more than 20 (very abundant). Vessel-ray pits larger than the intervessel pits. Axial parenchyma in continuous tangential lines (included in reticulate and scalariform). Rays more than 10 per mm (abundant).
Availability
Cites Status
Unrestricted
General Wood Description
Odor
It has no characteristic odor or taste.
Color
Heartwood and sapwood are distinct. The heartwood is light red when freshly cut, turning into to dark red or dark reddish brown after drying. The sapwood is pink to pale brown in color.
COLOR INDEX (1=Black, 7=Light yellow,white)
3
Grain
It has straight grain.
Texture
This wood has a somewhat fine texture.
Natural Durability
It is very resistant to fungi, but it is sensible to termites attack.
Natural durability index (1= Very high durability, 7=Vey low durability)
1
Resistance To Impregnation
This timber is reported to respond poorly to preservative treatment.
Wood Physical Properties
Basic Density or Specific Gravity (O.D. weight/vol. green) (g/cm³)
0.83
Air-dry Density (Weight and volume at 12%MC) (g/cm³)
0.95
Total shrinkage Tangential (Saturated to 0%MC) (%)
8.3
Total shrinkage Radial (Saturated to 0%MC) (%)
5.9
Drying Defects
Ease of Drying: Air seasoning is reported to be good when slow drying rates are used. Drying Defects: This species is reported to be prone to collapse.
Recommended Dry Kiln Schedule
BR-B
Dimensional stability ratio (Total Tangential Shrinkage %/Total Radial Shrinkage %)
1.4
Wood Chemical Properties
Wood Mechanical Properties
Bending Strength (MOR),12%MC (kgf/cm²)
1307
Stiffness (MOE) 12%MC (kgf/cm²)
138000
Compression parallel to fiber 12%MC (kgf/cm²)
648
Compression perpendicular to fiber 12%MC (kgf/cm²)
155
Shear strength radial 12%MC (kgf/cm²)
163
Janka hardness (side) 12%MC (kgf)
887
Janka hardness (end grain) 12%MC (kgf)
928
Workability
Rotary Veneer Cutting
This species can be used for lamination.
Sliced Veneer
This species can be used for lamination.
Blunting Effect
The presence of resin may dull the cutting tools.
Turning
30
Boring
Boring of this species is reported to be easy.
Nailing
It requires pre-boring.
REFERENCED USES
End Uses Summary
EXTERIOR GENERAL, piers, HOUSING GENERAL, boards, flooring, TURNING, SPORTS, bowling polo balls, CONTAINERS, truck bodies, truck flooring, NAVAL CONSTRUCTION, port pillar, port storage, OTHER AND MUSICAL INSTRUMENTS, violin, handicrafts, axle, yoke, shingle
Exterior General
- 1 - Tabela de resultados de ensaios fisicos e mecanicos
Piers
- 9 - Maderas latinoamericanas. IV, Nectandra sp. Ocotea austinii, Persea sp. aff. vesticula, Persea schiedeana
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
Flooring
- 14 - Handbook of Hardwoods
Turning
- 30 - Embassy of Honduras in Japan
Sports
- 38 - Annual Review and Assessment of the World Timber Situation 1998-ITTO
Balls Bowling Polo
- 40 - Internet
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
Port Pillar
- 61 - Manual de Diseño para Maderas del Grupo Andino
Port Storage
- 62 - Estudio Tecnológico de Maderas del Perú (Zona Pucallpa) Vol I
Other & Musical Instruments
- 63 - Madeiras do Brazil II
Violin
- 64 - Maderas latinoamericanas. V. Carapa sp., Virola koschnyi, Terminalia lucida y Brosimum costaricanum.
Handcraft
- 66 - Maderas latinoamericanas. VII. Caracteristicas anatomicas. propiedades fisicomecanicas, de secado, y tratabilidad de la madera juvenil de Cordia alliodora (Ruiz & Pav. Oken.)
Axles
- 73 - Handbook of Hardwoods
Yokes
- 74 - World Timbers, Vol.2, North and South America
Shingles
- 77 - Amazonian Timbers, Characteristics and Utilization Volume I; Tapajós National Forest
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