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BaakalakaBaakalaka
Baakalaka (Eschweilera odora)

Family: Lecythidaceae

Common names: Baakalaka, Baikaaki, Balibon, Black kakarakli, Kakaralli, Kouanda, Mahot noir, Manbarklak, Mata-mata, Mata-mata preta, Smooth leaf kakaralli

Distributed in: Brazil, French Guiana, Guyana, Suriname (Latin America)

Common uses: Boat building (general), Boat building: framing, Bridge construction, Flooring: industrial heavy traffic, Heavy construction, Light construction, Marine construction, Mine timbers, Piling, Poles, Railroad ties, Wharf construction

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isReddish brown, Yellowand the sapwoodDifferent than heartwood, White to yellow.The grain isStraight, the textureMediumand the lusterMedium

Natural durability: Very durable, Very durable

Silica Content: Severe

Kiln Schedules: Drying (speed) is fast

Drying Defects: Slight surface checking, Slight twist/warp

Ease of Drying: Moderate

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good General finishing qualities are rated as satisfactory

Blunting Effect: Blunting effect on machining is severe

Cutting Resistance: Cutting Resistance with green wood is difficult

Planing: Fairly Easy to Very Easy

Response to hand tools: Moderate working qualities


Polishing: Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 865 kg/m3
Bending Strength 990 1495 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness 1051 kg
Impact Strength cm
Shearing Strength 139 kg/cm2
Stiffness 152 175 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 6 %
Weight 849 849 kg/m3
Maximum Load 0,77 0,98 cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 14087 21277 psi
Density 54 lbs/ft3
Hardness 2318 lbs
Maximum Crushing Strength 6899 9945 psi
Shearing Strength 1989 psi
Stiffness 2167 2494 1000 psi
Work to Maximum Load 11 14 inch-lbs/in3
Weight 53 53 lbs/ft3
Radial Shrinkage 6 %
Tangential Shrinkage 10 %

Density (dry weight) = 61-67 lbs/cu.ft
Bending strength (MOR) = high
Modulus of Elasticity (stiffness) = high
Max. crushing strength = high
Hardness (side grain) = hard
Shearing strength (parallel to grain) = medium
Density (dry weight) = over 75 lbs/cu. ft
Density (dry weight) = 67-75 lbs/cu. ft
Shrinkage, Tangential = large
Shrinkage, Radial = large
Shearing strength (parallel to grain) = low
Max. crushing strength (stiffness) = very low
Bending strength (MOR) = very high
Bending strength (MOR) = medium

Amos, G.L.,1951,Some siliceous timbers of British Guiana,Caribbean Forester (3; 4) 133-7, 139-40.Bois et Forets des Tropiques,1985,Mahot noir - Eschweilera odora Miers.,Bois et Forets des TropiquesDucke, A.,1943,The Most Important Woods of the Amazon Valley,Tropical Woods,12(74,pp1-15Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry DepartmentFanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1Horn, E.F.,1948,Teredo Resistant Timbers of the Amazon Valley,Tropical Woods,12(93,pp35-40Vink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed.Wangaard, F.F., et al,1954,Properties and Uses of Tropical Woods 4,Tropical Woods,14(99, pp1-187
*Come interpretare i dati (manleva su eventuali imprecisioni)