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TrebolTrebol
Trebol (Platymiscium ulei)

Family: Leguminosae

Common names: Coyote, Granadillo, Guayacan trebol, Jacaranda do brejo, Koenatepi, Macacauba, Macawood, Trebol

Distributed in: Belize, Brazil, Columbia, Costa Rica, El Salvador, Honduras, Mexico, Peru, Suriname, Venezuela (Central America, Latin America)

Distribution overview: The species occurs in Central and South America, and is found in Nicaragua, Brazil, Venezuela, Peru, Guyana, Colombia, Trinidad, and Surinam.

Common uses: Bedroom suites, Billiard-cue butts, Bobbins, Cabinetmaking, Chairs, Chests, Decorative veneer, Desks, Dining-room furniture, Drawer sides, Drum sticks, Excelsior, Figured veneer, Fine furniture, Furniture , Joinery, Kitchen cabinets, Living-room suites, Musical instruments , Office furniture, Organ pipes, Piano keys, Pianos , Picker sticks, Radio - stereo - TV cabinets, Shade rollers, Shuttles, Sounding boards, Specialty items, Spindles, Spools, Sporting Goods, Stencil & chisel blocks, Sucker rods, Turnery, Umbrella handles , Veneer, Violin bows, Violin, Wardrobes, Xylophones

Product sources: The name Macacauba is used to refer to several species of Platymiscium sold on the commercial market.

Environment profile: Environmental status not officially assessed

Tree size: Tree height is 30-40 m

Colors: the heart isWhite, Yellowand the sapwoodWhite, Yellow.The grain isStraight to roey, the textureFine to mediumand the lusterMedium to high

Natural durability: Perishable, Susceptible to insect attack

Odor: No specific odor

Kiln Drying Rate: Naturally dries quickly

Drying Defects: Slight tendency to warp and check in drying , Splitting

Ease of Drying: Slowly

Blunting Effect: Little

Boring: Timber bores readily to yield clean surfaces

Carving: Good results

Cutting Resistance: Low resistance to sawing

Gluing: Fairly Easy to Very Easy

Mortising: Very Good to Excellent

Moulding: Very Good to Excellent

Movement in Service: Very Good to Excellent

Nailing: Fairly Easy to Very Easy, Very Good to Excellent

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood responds well to preservative treatment

Response to hand tools: Responds well to hand tools

Routing recessing: Very Good to Excellent Results

Sanding: Produces smooth surfaces

Veneering qualities: Veneers easily, Veneers moderately easy

Steam bending: Fair to Good Results

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

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

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,79
Density 1009 kg/m3
Bending Strength 1289 1523 kg/cm2
Crushing Strength 609 850 kg/cm2
Hardness 1091 kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 178 196 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 18338 21670 psi
Density 63 lbs/ft3
Hardness 2406 lbs
Maximum Crushing Strength 8674 12093 psi
Stiffness 2543 2793 1000 psi
Specific Gravity 0.79
Weight 62 51. lbs/ft3

High in density
Exceptionally heavy
Compression strength (parallel to grain) = high
The species has exceptionally high bending strength properties in the air-dry condition (about 12 percent moisture content). Strength qualiIt is far stronger, for example, than Hard maple, White oak, or Teak. It is far stronger, for example, than Hard maple, White oak, or Teak. It is hard - harder than Teak, and does not marr or dent easily. It weighs much more than Hard maple or Teak in the green or seasoned condition

Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.
*Come interpretare i dati (manleva su eventuali imprecisioni)