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Ditta 5
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Aboga
Aboga (Manilkara lacera)

Family: Sapotaceae

Common names: Aboga, Adzacon, African pearwood, Aganokpe, Agarokuri, Basipi, Berekankun, Boudinga linga, Esui, Fou, Kpangkun, Ngore, Nokena, Nwele, Oshere

Distributed in: Ghana, Ivory Coast, Liberia (Africa)

Distribution overview: Thailand, Laos, Vietnam, Cambodia, Indomalesia, and Pacific Islands.

Common uses: Agricultural implements, Boat building (general), Carvings, Flooring, Fuelwood, Furniture, Handles: general, Handles: woodworking tools, Heavy construction, Joinery, Ladders, Light construction, Mathematical instruments, Mine timbers, Musical instruments, Posts, Railroad ties, Sporting Goods, Tool handles, Toys, Turnery, Vehicle parts, Veneer

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Reddish brownand the sapwoodWhite, Yellow.The grain isStraight, the textureMediumand the lusterMedium

Natural durability: Very durable, Very durable

Kiln Schedules: Dry at a slow speed

Drying Defects: Moderate surface checking, Splitting

Ease of Drying: Reconditioning Treatement

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy to saw

Gluing: Fairly Easy to Very Easy

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Fair to Good , Fairly Easy to Very Easy

Planing: Very Good to Excellent

Resistance to Impregnation: Sapwood is permeable

Response to hand tools: Responds Readily

Sanding: Very Good to Excellent Results

Veneering qualities: Veneers easily, Veneers moderately easy

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

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

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 929 kg/m3
Bending Strength 1207 1748 kg/cm2
Crushing Strength 617 852 kg/cm2
Hardness 1239 kg
Impact Strength cm
Shearing Strength 223 kg/cm2
Stiffness 166 193 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 6 %
Weight 913 737 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 17175 24865 psi
Density 58 lbs/ft3
Hardness 2732 lbs
Maximum Crushing Strength 8781 12131 psi
Shearing Strength 3185 psi
Stiffness 2373 2752 1000 psi
Weight 57 46 lbs/ft3
Radial Shrinkage 6 %
Tangential Shrinkage 10 %

Shrinkage, Tangential = large
Shrinkage, Radial = large
Bending strength (MOR) = very high
Max. crushing strength = very high
Bending strength (MOR) = high
Max. crushing strength = high
Hardness (side grain) = very hard
Density (dry weight) = 61-67 lbs/cu. ft.
Density (dry weight) = 53-60 lbs/cu. ft.
Shrinkage, Tangential = fairly large
Shrinkage, Radial = fairly large
Modulus of Elasticity (stiffness) = very high
Modulus of Elasticity (stiffness) = high
Hardness (side grain) = hard
Bending strength (MOR) = medium

Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentFrance - C.T.F.T.,1973,Investigations and Tests carried out on Tropical Timber by several,Research Laboratories,CTFTHedin, L.,1930,Etude sur la Foret et les Bois du Cameroun,Haut-Commissaire de la CamerounIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonKennedy, J.D.,1936,Forest Flora of Southern Nigeria,Government Printer LagosKryn, J.M., Forbes, E.W.,1959,The Woods of Liberia,U.S.A. Department of Agriculture,Forest Products Laboratory, Madison,,Report No. 2159Sallenave, P.,1955,Proprietes Phyiques et Mecaniques des Bois Tropicaux de l'Union Francaise,C.T.F.TSallenave, P.,1964,Proprietes Physiques et Mecaniques des Bois Tropicaux (Premier Supplement,C.T.F.T. Publ.,no.23Sallenave, 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. 7
*Come interpretare i dati (manleva su eventuali imprecisioni)