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CocoboloCocobolo
Cocobolo (Dalbergia retusa)

Family: Leguminosae

Common names: Caviuna, Cocobolo, Cocobolo nambar, Cocobolo negro, Cocobolo prieto, Cocoboloholz, Foseholz, Funera, Granadillo, Grandillo, Jacarandaholz, Legitimo, Melon, Namba, Nambar, Nambar de agui, Nambar legitimo, Nicaragua rosewood, Nicaraguan rosewood, Nnambar, Palisander, Palisandre, Palisandro, Palissandro, Palo negro, Palo sandro, Pau preto, Red foxwood, Rosewood, Urauna

Distributed in: Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama (Central America, Latin America)

Distribution overview: Pacific regions of Central America and extending from Panama to southwestern Mexico. Of limited occurrence, usually in the drier uplands.

Common uses: Bedroom suites, Boards, Boxes and crates, Brush backs & handles, Cabinetmaking, Chessmen, Core Stock, Decorative veneer, Drawer sides, Dressed boards, Figured veneer, Furniture , Handles, Inlay work, Kitchen cabinets, Living-room suites, Lumber, Mathematical instruments, Musical instruments, Office furniture, Ornamental work , Plain veneer, Radio - stereo - TV cabinets, Rough boards/dimension stock, Shafts/Handles, Sporting Goods, Tool handles, Turnery, Veneer, Veneer: decorative

Product sources: Supplies of Cocobolo are dwindling and the price is becoming more costly. Veneers with highly figured grain patterns are occasionally available on the market.

Environment profile: Status has not been officially assessed

Colors: the heart isReddish brown, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureUniformand the lusterSlightly lustrous

Natural durability: Resistant to attack from marine borers, Very durable

Odor: No specific taste

LightInduced Color Change: Darker

Kiln Schedules: UK=B US=T2C2/T2C1 Fr=2

Drying Defects: Slight surface checking, Slight twist/warp

Ease of Drying: Moderate

Comments: Cocobolo is one of the primary species for the manufacture of cutlery, especially for knife handles because of its attractive color, texture, and waterproof characteristicsGeneral finishing qualities are rated as good May be Oily

Blunting Effect: Blunting effect on sawing dry wood is moderate

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy 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: Pre-Boring Recommended, Satisfactory nailing properties

Planing: Very Good to Excellent

Resistance to Impregnation: Resistant

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Sanding: Very Good Sanding Properties

Screwing: Good screw holding properties, Pre-boring recommended; Turning: Good results

Polishing: Oil in wood gives fine natural polish ; Staining: Finish is generally good ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,74 1,02
Density 1009 kg/m3
Bending Strength 578 693 kg/cm2
Crushing Strength 307 240 kg/cm2
Hardness 504 kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 64 72 1000 kg/cm2
Tangential Shrinkage 4 %
Radial Shrinkage 2 %
Weight 977 865 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending 355 554 kg/cm2
Item Green Dry English
Bending Strength 8229 9866 psi
Crushing Strength 4374 3414 psi
Density 63 lbs/ft3
Hardness 1113 lbs
Maximum Crushing Strength 4119 5660 psi
Static Bending 5056 7883. psi
Stiffness 911 1029 1000 psi
Specific Gravity 0.74 1.02
Weight 61 54 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 4 %
Volumetric Shrinkage 6 %

Density (dry weight) = 67-75 lbs/cu. ft.
Density (dry weight) = 61-67 lbs/cu. ft
Shrinkage, Radial = very small
Density (dry weight) = 75+ lbs/cu. ft.
Shrinkage, Tangential = very small
Shrinkage, Volumetric = very small
Density (dry weight) = 53-60 lbs/cu.ft.

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 ResearchBolza, E.,1976,Timber and Health,Div. Building Res. C.S.I.R.O. AustraliaBoone, R.S., C.J. Kozlik, P.J. Bois, E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Hardwoods - Temperate and Tropical. USDA, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin.Brazier, J.D., Franklin, G.L.,1967,An Appraisal of the Wood Characteristics and Potential Uses of some,Nicaraguan Timbers,FAO for Forest Products Research Laboratory, Princes RisboroughBrown, W.H.,1969,Properties and uses of Tropical hardwoods in the United Kingdom. Part 1,Nonstructural properties and uses.,Conference on Tropical hardwoods SC-5/TN-5, Syracuse UniversityBrown, W.H.,1978,Timbers of the World, No. 9 Central America and the Caribbean,TRADA, Red Booklet SeriesCAOBA International, San Francisco, California. 1993. Personal Communication.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Harrar, E.S.,1941,Some Physical Properties of Modern Cabinet Woods 1. Hardness,Tropical Woods,9(68,PP1-11Harrar, E.S.,1942,Some Physical Properties of Modern Cabinet Woods 3. Directional and Volume,Shrinkage,Tropical Woods,9(71, pp26-32International Tropical Timber Organization (ITTO) 1991. Pre-project Study on the Conservation Status of Tropical Timbers in Trade. Reported by the World Conservation Monitoring Center (WCMC, Cambridge, LondonJackson, A. and D. Day.1991.Good Wood Handbook - The Woodworker's Guide to Identifying, Selecting and Using the Right Wood.Betterway Publications, Cincinnati, Ohio.Kline, M. 1978. Dalbergia retusa - Cocobolo. In A Guide to Useful Woods of the World. Flynn Jr., J.H., Editor. King Philip Publishing Co., Portland, Maine. Page 133-134.Kribs, D.A.,1950,Commercial and Foreign Woods on the American Market (a manual to their,structure, identification, uses and distribution,U.S.A. Penn. State College, Tropical Woods LaboratoryKukachka, B.F.,1970,Properties of Imported Tropical Woods,Forest Research Paper FPL 125Lincoln, W.A. 1986. World Woods in Color. Linden Publishing Co. Inc., Fresno, California.Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressRecord, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressRecord, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. PressRecord, S.J.,1942,American Timbers of the Genera Dalbergia and Machaerium,Tropical Woods,9(72,pp1-10Titmuss, F.H.,1965,Commercial Timbers of the World,Technical Press Ltd., London, 3rd editionVolkart, C.,1965,Recopilacion dedatos sobre propiedacies y usos maderos del Bosque Tropical,de las Costa Atlantica de Nicaragua,Turrialba,15(1, pp43-57Woods, R.P.,1949,Timbers of South America,TRADA, Red Booklet SeriesWood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13
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