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ManbarklakManbarklak
Manbarklak (Eschweilera sagotiana)

Family: Lecythidaceae

Common names: Atereba, Black Kakaralli, Black kakeralli, Coco Cristal, Coco de Mono, Common black kakaralli, Haudan, Jarana, Kakaralli, Kakeralli, Kwateri, Kwatru, Manbarklak, Mata mata, Montanero, Oemanbarklak, Olleto, Oxito, Poko, Prukoi, Tamad, Tete Congo

Distributed in: Brazil, Costa Rica, French Guiana, Guyana, Suriname, Trinidad and Tobago (Central America, Latin America)

Distribution overview: In the Guianas and Amap￿Brazil) it can be found in non-flooded forests as a canopy tree.

Common uses: Barge fenders, Boat building (general), Boat building: framing, Building construction, Building materials, Cabin construction, Construction, Crossties, Docks, Dockwork, Factory construction, Factory flooring, Flooring, Flooring: industrial heavy traffic, Harbor work, Heavy construction, Marine construction, Millwork, Mine timbers, Naval architecture, Pile-driver cushions, Piling, Pulpmill equipment, Raft floats, Rafts, Railroad ties, Sporting Goods, Sub-flooring, Turnery, Wharf construction

Environment profile: Widespread

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Reddish brownand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureUniformand the lusterSlightly lustrous

Natural durability: Susceptible to insect attack, Very durable

Odor: No specific smell or taste

Silica Content: Moderate silica contact

LightInduced Color Change: Darker

Kiln Schedules: Dry at a slow speed

Drying Defects: Slight twist/warp, Warping can be expected

Ease of Drying: Variable

Tree Identification: Bole/stem form is straight

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

Blunting Effect: Little

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Moderate to saw

Gluing: Very Good to Excellent Results

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Fairly Difficult to Very Difficult, Possible if prebored

Planing: Very Good to Excellent

Resistance to Impregnation: Very difficult to treat

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Sanding: Fairly Easy to Very Easy

Steam bending: Moderate

Screwing: Fair to Good Results, Fairly Easy to Very Easy; Turning: Fairly Easy to Very Easy

Painting: Very Good to Excellent; Polishing: Very Good to Excellent; Staining: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,74 0,9
Density 945 kg/m3
Bending Strength 1217 1694 kg/cm2
Crushing Strength 108 169 kg/cm2
Hardness 1310 kg
Impact Strength cm
Shearing Strength 176 kg/cm2
Stiffness 188 214 1000 kg/cm2
Tangential Shrinkage 9 %
Radial Shrinkage 5 %
Weight 929 865 kg/m3
Maximum Load 0,77 1,33 cm-kg/cm3
Toughness 298 cm-kg
Static Bending 735 886 kg/cm2
Item Green Dry English
Bending Strength 17312 24098 psi
Crushing Strength 1548 2404. psi
Density 59 lbs/ft3
Hardness 2890 lbs
Maximum Crushing Strength 7410 10679 psi
Shearing Strength 2512 psi
Static Bending 10466 12603 psi
Stiffness 2686 3055 1000 psi
Toughness 259 inch-lbs
Work to Maximum Load 11 19 inch-lbs/in3
Specific Gravity 0.74 0.9
Weight 58 54 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 9 %
Volumetric Shrinkage 16 %

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

Berni, C.A., Bolza, E., Christensen, F.J.,1979,South American Timbers - The Characteristics, Properties and Uses of 190,Species,C.S.I.R.O Div. Building ResearchBrown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet SeriesChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Dickinson, F.E.,1949,Properties and Uses of Tropical Woods 1,Tropical Woods,13(95,pp1-140Fanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1Lamb, A.F.A., Wangaard, F.F.,1950,The Gluing Properties of certain Tropical American Woods,Yale Univ. School of Forestry Technical Report,4Polak, A.M.,1992,Major Timber Trees of Guyana A Field Guide,The Tropenbos Foundation Wageningen, The NetherlandsRecord, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressT.R.A.D.A.,1982,Timbers for river and sea constructions,TRADA Wood Information Section 0, Sheet 6Wangaard, F.F., and A.F. Muschler. 1952. Tropical Woods - Properties and Uses of Tropical Woods, Volume III, No. 98. School of Forestry, Yale University, New Haven, Connecticut.Wangaard, F.F., Muschler, A.F.,1952,Properties and Uses of Tropical Woods 3,Tropical Woods,14(98, pp1-190
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