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Fornitori

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

Sito web: www.pippo.it
E-mail: 
Ditta 4
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 3
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 2
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 1
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 0
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

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AbokpoAbokpoAbokpoAbokpo
Abokpo (Diospyros crassiflora)

Family: Ebenaceae

Common names: Abokpo, African ebony, Afrikanishces ebenholz, Bingo, Black ebony, Cameroon ebony, Ebano, Ebene, Evila, Gaboon ebony, Igiedudu, Kanran, Kribi ebony, Mavini, Mevini, Nigerian ebony, Nyareti, Osibin, Uhu-abokpo

Distributed in: Benin, Central African Republic, Gabon, Nigeria, Zaire (Africa)

Common uses: Agricultural implements, Billiard-cue butts, Boat building (general), Boxes and crates, Brush backs & handles, Carvings, Flooring, Furniture, Musical instruments, Musical instruments: piano, Musical instruments: strings, Plywood, Poles, Posts, Sporting Goods, Tool handles, Turnery, Vehicle parts, Veneer: decorative

Colors: the heart isBlack, Dark brownand the sapwoodDifferent than heartwood, Well defined.The grain isStraight, the textureFine

Natural durability: Susceptible to marine borer attack, Very durable

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

Drying Defects: Slight end splitting, Splitting

Ease of Drying: Easy

Tree Identification: Bole/stem form is misshapen

Comments: General finishing qualities are rated as good

Blunting Effect: Moderate

Cutting Resistance: Easy to saw

Nailing: Easy to nail, Fairly Difficult to Very Difficult

Planing: Fairly Easy to Very Easy

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Moderate working qualities

Steam bending: Good


Polishing: Satisfactory;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 961 kg/m3
Bending Strength 1206 1743 kg/cm2
Crushing Strength 705 955 kg/cm2
Hardness 1333 kg
Impact Strength 162 cm
Shearing Strength 200 kg/cm2
Stiffness 152 175 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 945 753 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 17156 24794 psi
Density 60 lbs/ft3
Hardness 2940 lbs
Impact Strength 64 inches
Maximum Crushing Strength 10035 13590 psi
Shearing Strength 2847 psi
Stiffness 2167 2494 1000 psi
Weight 59 47 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 8 %

Max. crushing strength = very high
Bending strength (MOR) = very high
Shrinkage, Radial = large
Modulus of Elasticity (stiffness) = high
Shrinkage, Tangential = small
Shrinkage, Tangential = moderate
Shrinkage, Tangential = large
Shrinkage, Radial = small
Shrinkage, Radial = moderate
Shearing strength (parallel to grain) = high
Hardness (side grain) = very hard
Density (dry weight) = 61-67 lbs/cu. ft
Bending strength (MOR) = high
Toughness-Hammer drop (Impact Strength) = very high
Toughness-Hammer drop (Impact Strength) = high
Shrinkage, Tangential = fairly large
Shrinkage, Radial = fairly large
Density (dry weight) = 53-60 lbs/cu. ft
Bending strength (MOR) = medium

Armstrong, F.H.,1960,The Strength Properties of Timber,Forest Products Research Laboratory, London Bulletin,No.45Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Cox, H.A.,1939,A Handbook of Empire Timbers,Forest Products Research Laboratory, Princes RisboroughErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentFarmer, R.H.,1972,Handbook of Hardwoods,HMSOLavers, 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)Normand, D.,1960,Les Ebenes dans le Monde,Bois et Forets des Tropiques,No.72,pp15-22Smith, J.,1948,Ebony in the Mamfe Division,Farm and Forest Nigerian Forester,9(1,pp28-32Takahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Tanzania Forest Department,1961,Timbers of Tanganyika - Brachystegia spiciformis,Tanzania Forest Dept. Util. Sec. Moshi - Timbers of TanganyikaTimber Development Association Ltd.,1955,World Timbers (3 Vols.,Timber Development Association Ltd.
*Come interpretare i dati (manleva su eventuali imprecisioni)