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Ditta 5
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 4
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Ditta 2
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Ditta 1
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Onzabili
Onzabili (Antrocaryon klaineanum)

Family: Anacardiaceae

Common names: Akoua, Angonga, Anguekong, Aprokuma, Bougongi, Mugongo, N'Gongo, Onzabili

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

Distribution overview: West and Central Africa, extending from south-eastern Nigeria to Cabinda. Also found in Bioko.

Common uses: Boxes and crates, Building materials, Casks, Chairs, Chests, Concealed parts (Furniture), Decorative plywood, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Excelsior, Fine furniture, Floor lamps, Furniture , Furniture components, Furniture squares or stock, Hatracks, Interior construction, Interior trim, Joinery, Kitchen cabinets, Living-room suites, Moldings, Office furniture, Packing cases, Plywood, Radio - stereo - TV cabinets, Rustic furniture, Stools, Structural plywood, Tables , Utility furniture, Utility plywood, Wardrobes

Environment profile: Inadequate information for some areas

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isRed, Whiteand the sapwoodInterlocked, Straight.The grain isInterlocked slightly to moderately , the textureMedium-Textured

Natural durability: Susceptible to insect attack, Very little resistance to decay

Odor: No specific smell or taste

Drying Defects: Rather large shrinkage , Slight tendency to distort and check

Ease of Drying: Medium to High Shrinkage

Blunting Effect: Slight to moderate blunting effect on cutters

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Low resistance to sawing

Gluing: Good gluing properties

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Good nail holding properties , Nails without pre-boring

Planing: Works well with both hand and machine tools in most machining operations

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Screwing: Good screw holding properties, Good screwing properties; Turning: Fairly Easy to Very Easy

Polishing: Surface Preparation;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 641 kg/m3
Bending Strength 1389 kg/cm2
Crushing Strength 511 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 101 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 4 %
Weight 801 624 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 19757 psi
Density 40 lbs/ft3
Maximum Crushing Strength 7272 psi
Stiffness 1441 1000 psi
Weight 50 39 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 7 %

Max. crushing strength = high
High weight
High in density
Bending strength (MOR) = very high
It is far superior in strength to either Teak or Hard maple. Some familiar species with high crushing strength parallel to grain include Hard maple, Teak, and White oak

Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchITTO.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.Keay, R.W.J.1989. Trees of Nigeria.Revised Version of Nigerian Trees. Clarendon Press, Oxford.WCMC.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)