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American muskwood
American muskwood (Guarea excelsa)

Family: Meliaceae

Common names: Alligator wood, American muskwood, Bois pistolet, Bois rouge a balles, Cabimbo, Carimbo, Cedrillo, Chahalanti, Chanalanti, Chohalante, Cramantee, Cramantree, Guano blanco, Guarea, Muskwood, Palo blanco, Tololo, Trompillo de plaza, Wild ackee

Distributed in: Belize, Columbia, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, Trinidad and Tobago, Venezuela (Central America, Oceania and S.E. Asia)

Distribution overview: West Indies, Mexico, Central America, and southern Brazil and Argentina.

Common uses: Beams, Bedroom suites, Boat building (general), Boxes and crates, Building construction, Building materials, Cabin construction, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Concrete formwork, Construction, Core Stock, Decks, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Excelsior, Factory construction, Figured veneer, Fine furniture, Floor lamps, Flooring, Form work, Foundation posts, Framing, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery, Joists, Kitchen cabinets, Light construction, Millwork, Particleboard, Plywood, Shingles, Shipbuilding, Sporting Goods, Turnery, Veneer, Veneer: decorative

Environment profile: Status has not been officially assessed

Tree size: Trunk diameter is 200-250 cm

Colors: the heart isRed, Reddish brownand the sapwoodWhite, Yellow.The grain isWeak figure, the textureUniformand the lusterNon-lustrous

Natural durability: Resistant to wood staining fungal attack, Susceptible to insect attack

Odor: Seasoned wood has slight taste but no distinctive odor

Silica Content: Siliceous

Kiln Schedules: UK=E US=T6D2/T3D1 Fr=5

Kiln Drying Rate: Slow (18-28 days for boards < 32 mm, to 52-84 days for boards >= 63 mm)

Drying Defects: Splitting, Warping can be expected

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good

Blunting Effect: Moderate

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Low cutting resistance

Gluing: Fairly Easy to Very Easy

Mortising: Fairly Easy to Very Easy

Moulding: Satisfactory moulding

Movement in Service: Satisfactory moulding

Nailing: Poor to Very Poor , Pre-Boring Recommended

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood is permeable

Resistance to Splitting: Good

Response to hand tools: Responds Readily

Routing recessing: Routing is easy

Sanding: Good sanding qualities

Veneering qualities: Suitable for slicing, Veneers easily

Steam bending: Satisfactory

Screwing: Fairly Easy to Very Easy, Pre-boring recommended; Turning: Poor results

Polishing: Very Good to Excellent; Staining: Very Good to Excellent; Varnishing: Fairly Easy to Very Easy;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,47
Density 560 kg/m3
Bending Strength 574 821 kg/cm2
Crushing Strength 270 428 kg/cm2
Hardness 459 kg
Impact Strength cm
Shearing Strength 106 kg/cm2
Stiffness 82 95 1000 kg/cm2
Tangential Shrinkage 7 %
Radial Shrinkage 2 %
Weight 560 560 kg/m3
Maximum Load 0,63 0,7 cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 8167 11686 psi
Density 35 lbs/ft3
Hardness 1014 lbs
Maximum Crushing Strength 3843 6093 psi
Shearing Strength 1510 psi
Stiffness 1171 1360 1000 psi
Work to Maximum Load 9 10 inch-lbs/in3
Specific Gravity 0.47
Weight 35 35 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 7 %
Volumetric Shrinkage 11 %

Modulus of Elasticity (stiffness) = very low 0
Hardness (side grain) = soft
Bending strength (MOR) = low
Max. crushing strength = medium
Shrinkage, Tangential = moderate
Max. crushing strength = low
Density (dry weight) = 31-37 lbs/cu. ft.
Shrinkage, Radial = very small
Hardness (side grain) = medium
Bending strength (MOR) = medium
Shearing strength (parallel to grain) = very low
Shrinkage, Tangential = small
Shrinkage, Radial = small
Shearing strength (parallel to grain) = medium
Shearing strength (parallel to grain) = low
Density (dry weight) = 46-52 lbs/cu. ft.
Density (dry weight) = 38-45 lbs/cu. ft.

Armstrong, F.H.,1960,The Strength Properties of Timber,Forest Products Research Laboratory, London Bulletin,No.45Belize,1946,42 Secondary Hardwood Timbers of British Honduras,British Honduras Forest Department Bulletin,No.1Boone, 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 RisboroughCaribbean Commission,1952,Information on properties of timbers gathered by questionnaire and,collated in the secretariat of the Caribbean Commission including some,related data from technical literature.,Caribbean Commission, Port of Spain, Trinidad Caribbean Timbers, their,Utilization and Trade within the area CTUTA/1/Doc.7 + App.1-18Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Farmer, R.H.,1972,Handbook of Hardwoods,HMSOFlores Rodriguez, L.J.,1969,Description Caracteristicas y usos de 25 Maderas tropicales,Mexicanas,Camera Nacional de la Industria de la Construccion Serie Maderas de MexicoForest Products Research Laboratory, U.K.,1938,The Properties of Cramtree. Guinea excelsa H.B.K. from British Honduras,Forest Products Research Laboratory, Princes Risborough Project 22,Investigation 25 pp12Forest Products Research Laboratory, U.K.,1967,The Steam Bending Properties of various timbers,Forest Products Research Laboratory, Princes Risborough, Leaflet,No.45Forest Products Research Laboratory, U.K.,1969,The Movement of Timbers,Forest Products Research Laboratory, Princes Risborough Technical Note,No.38Forests Products Research Laboratory, U.K.,1956,A Handbook of Hardwoods,Forest Products Research Laboratory, Princes Risborough, Department of,Science and Industrial Research, Building Research EstablishmentGomez-Vazquez, B.G.,1981,Wood structure and potential end uses of some lesser known Mexican timber,species,Thesis for Msc. Univ. Wales BangorHMSO. 1981. Handbook of Hardwoods, 2nd Edition. Revised by R.H. Farmer, Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Princes Risborough, Aylesbury, Buckinghamshire.Lavers, G. M.1966.The Strength Properties of Timbers.Forest Products Research Bulletin, No. 50.Ministry of Technology, Her Majesty's Stationery Office, London.Lavers, G.M.,1983,The Strength Properties of Timber (3rd ed. revised Moore G.L.,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Report (formerly Bulletin No.50)Marshall, R.C.,1934,Trees of Trinidad and Tobago,Government Printer Port of Spain TrinidadMarshall, R.C.,1939,Silviculture of the trees of Trinidad and Tobago - British West Indies,O.U.P.,LondonPennington, T.D., Sarukhan, J.,1968,Manual para la Identificacion de campo de los Principales Arboles,Tropicales de Mexico,Inst. Nac. Inv. For. MexicoSmith, D.N.,1959,The Natural Durability of Timber,Forest Products Research Laboratory, Princes Risborough, Building Research,Establishment Record,No.30Swabey, C.,1941,The Principal Timbers of Jamaica,Department of Science and Agriculture Jamaica Bulletin No.29
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