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Lati
Lati (Amphimas pterocarpoides)

Family: Leguminosae

Common names: Asanfran, Bliagl, Bliaglu, Bokanga, Edjin, Edjin edzil, Edzil, Edzui, Grandes fleurs, Gworluh, Lati, Melegba, Mualeluku, Muizi, Ogiya, Va tue, Va-tue, Vahn chu, Vahn-chu, Yaya

Distributed in: Angola, Cameroon, Congo, Equatorial Guinea, Gabon, Ghana, Ivory Coast, Liberia, Nigeria, Togo, Zaire (Africa)

Distribution overview: In tropical west and central Africa, mostly from Guinea to Zaire in the high forests.

Common uses: Boxes and crates, Building materials, Cabinetmaking, Ceiling, Crossties, Decorative veneer, Domestic flooring, Exterior trim & siding, Exterior uses, Factory flooring, Figured veneer, Flooring, Furniture components, Furniture squares or stock, Furniture, Heavy construction, Interior construction, Interior trim, Joinery, Light construction, Millwork, Moldings, Office furniture, Paneling , Parquet flooring, Plywood, Poles, Posts, Railroad ties, Shakes, Sheathing, Shingles, Siding, Stairrails, Stairworks, Sub-flooring, Trimming, Veneer, Veneer: decorative

Environment profile: Generally secure within its natural habitat

Tree size: Tree height is 50-60 m

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureMedium to coarseand the lusterLow

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

Odor: No specific smell or taste

LightInduced Color Change: Darker

Kiln Schedules: Drying (speed) is fast

Kiln Drying Rate: Naturally dries quickly

Drying Defects: Moderate surface checking, Severe twisting/warping

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good

Blunting Effect: Moderate

Boring: Fairly difficult to very difficult

Carving: Fairly difficult to carve

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Gluing: Glues well

Mortising: Very sharp edges are required

Moulding: Requires very sharp cutting edges

Movement in Service: Requires very sharp cutting edges

Nailing: Pre-boring recommended, Tends to split during nailing

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood is permeable

Response to hand tools: Responds Poorly

Sanding: Good sanding finish

Screwing: Pre-boring recommended, Recommend pre-boring; Turning: Good results

Painting: Very good; Polishing: Good; 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 0,48 0,58
Density 753 kg/m3
Bending Strength 726 1115 kg/cm2
Crushing Strength 369 586 kg/cm2
Hardness 451 kg
Impact Strength cm
Shearing Strength 130 kg/cm2
Stiffness 120 139 1000 kg/cm2
Tangential Shrinkage 10 %
Radial Shrinkage 6 %
Weight 769 721 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 10338 15861 psi
Density 47 lbs/ft3
Hardness 995 lbs
Maximum Crushing Strength 5262 8345 psi
Shearing Strength 1862 psi
Stiffness 1710 1978 1000 psi
Specific Gravity 0.48 0.58
Weight 48 45 lbs/ft3
Radial Shrinkage 6 %
Tangential Shrinkage 10 %
Volumetric Shrinkage 15 %

Shrinkage, Radial = fairly large
Density (dry weight) = 46-52 lbs/cu. ft.
Shrinkage, Volumetric = large
Shrinkage, Tangential = large
Hardness (side grain) = soft
Bending strength (MOR) = medium
Bending strength (MOR) = high
Shrinkage, Tangential = fairly large
Modulus of Elasticity = moderate
Shrinkage, Tangential = moderate
Shrinkage, Radial = moderate
Modules of Elasticity = High
Density (dry weight) = 38-45 lbs/cu. ft.

Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchCooper, G.P., Record, S.J.,1931,The Evergreen Forests of Liberia,Yale School Forestry Bulletin,31,pp1-153Dudek, S.,1981,Lesser Known Liberian Timber Species,German Agency for Technical Cooperation GermanyErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonITTO.1986.Tropical Timber Atlas, Volume 1 - Africa.International Tropical Timber Organization (ITTO) and Centre Technique Forestier Tropical (CTFT, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, France.ITTO. New Marketable Species Technical Notes. Prepared by Centre Technique Forestier Tropical (CTFT, Division of CIRAD, 45 bis, Avenue de la Belle Gabrielle, 94736 Nogent-sur-marne Cedex, FranceKeay, R.W.J.1989. Trees of Nigeria.Revised Version of Nigerian Trees. Clarendon Press, Oxford.Kryn, J.M., Forbes, E.W.,1959,The Woods of Liberia,U.S.A. Department of Agriculture,Forest Products Laboratory, Madison,,Report No. 2159Lebacq, L., Dechamps, R.,1967,Contribution a un Inventaire de Forets du Nord-kasai,Musee Royal de L'Afrique Centrale Belgium Annals Series 8 No.5Lincoln, W. A.1986.World Woods in Color.Linden Publishing Co. Inc., Fresno, California.Maeglin, R., C. K. Baah, G. Troemmer, J. D. Danielson, and S. P. Loehnertz.1989.Pre-project Report:Sawing of Difficult Species.Prepared for International Tropical Timber Organization (ITTO) by United States Department of Agriculture (USDA, Forest Service, Forest Products Laboratory, Madison, Wisconsin.Pieters, A.,1977,Essences Forestieres du Zaire,R.U.G. Gent BelguimSallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TSallenave, P.,1971,Proprietes Physiques et Mecaniques des Bois Tropicaux (Deuxieme,Supplement,C.T.F.T.Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7WCMC.1992.Conservation Status Listing - Trees and Timbers of the World.World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.
*Come interpretare i dati (manleva su eventuali imprecisioni)