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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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Ditta 0
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Black plum
Black plum (Vitex doniana)

Family: Verbenaceae

Common names: Black plum, Ewelo, Heue, Kalembe, Kurnyuk, Kutufingo, Ledo, Lubei, Meru oak, Mfudu, Mfuru, Mgwobe, Mkhulu, Mkunungu, Muholu, Muhomozi, Munyamazi, Mutahuru, Omufuto, Owelo, Oyalo, Oyelo, Vitex

Distributed in: Kenya, Mozambique, Sudan, Tanzania, Uganda (Africa)

Common uses: Agricultural implements, Boat building (general), Boat building: framing, Boxes and crates, Cabinetmaking, Canoes, Furniture, Joinery, Light construction, Matches, Plywood corestock, Plywood, Pulp/Paper products, Veneer

Tree size: Tree height is 40-50 m

Colors: the heart isWhite to cream, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isWeak figure, the textureMedium to coarseand the lusterMedium

Natural durability: Susceptible to attack from powder post (Lyctid & Bostrychid) beetles, Susceptible to insect attack

Odor: Has an odor

LightInduced Color Change: Darker

Kiln Schedules: UK=C US=T3C2/T3C1 Fr=3

Kiln Drying Rate: Rapid (<10 days for boards < 32 mm, to <30 days for boards >= 63 mm)

Drying Defects: Severe cupping, Severe twisting/warping

Ease of Drying: Thick Stock Requires Care

Tree Identification: Bole/stem form is fluted

Blunting Effect: Moderate

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy to saw

Gluing: Fairly Easy to Very Easy

Mortising: Finishes well

Moulding: Good finishing

Movement in Service: Good finishing

Nailing: Holds satisfactorily, Very Good to Excellent

Planing: Planes to a satisfactory finish

Resistance to Impregnation: Sapwood is moderately resistant

Resistance to Splitting: Satisfactory

Response to hand tools: Responds Readily

Routing recessing: Routing yields good results

Sanding: Fairly Easy to Very Easy

Veneering qualities: Suitable for peeling, There is slight to moderate drying degrade and the potential for buckles and splits

Steam bending: Poor to Very Poor Results

Turning: Poor to Very Poor Results

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

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 592 kg/m3
Bending Strength 303 464 kg/cm2
Crushing Strength 150 275 kg/cm2
Hardness 451 kg
Impact Strength cm
Shearing Strength 73 kg/cm2
Stiffness 71 84 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 2 %
Weight 576 448 kg/m3
Maximum Load 0,49 0,7 cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 4310 6606 psi
Density 37 lbs/ft3
Hardness 995 lbs
Maximum Crushing Strength 2139 3916 psi
Shearing Strength 1052 psi
Stiffness 1017 1199 1000 psi
Work to Maximum Load 7 10 inch-lbs/in3
Weight 36 28 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 6 %

Density (dry weight) = 31-37 lbs/cu. ft. 1
Shrinkage, Tangential = small
Shrinkage, Radial = very small
Density (dry weight) = 53-60 lbs/cu. ft
Shrinkage, Radial = small
Compression strength (parallel to grain) = very low
Bending strength (MOR) = very low
Bending strength (MOR) = low
Shrinkage, Tangential = very small
Shrinkage, Tangential = moderate
Density (dry weight) = 23-30 lbs/cu. ft.
Shrinkage, Tangential = fairly large
Shrinkage, Radial = moderate
Compression strength (parallel to grain) = low

Bolza, 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.Dale, I.R., Greenway, P.J.,1961,Kenya Trees and Shrubs,Buchanans Kenya Estates Ltd. Nairobi Hatchards LondonEggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaFrance - C.T.F.T./C.T.B.,1982,Guide pour le Choix des Essences Deroulables-pour la fabrication du,contreplaque,C.T.F.T./C.T.B. FranceGotz, E.,1983,Timber trees of the Gambia,Stiftung Walderhaltung in Afrika and Bundesforschungsanstalt fur Forst-,und HolzwirtschaftPalgrave, K.C.,1977,Trees of Southern Africa,Cape Town South AfricaTakahashi, 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 Division,1966,Kiln Drying Schedules for Tanzania Timbers Technical Note no.38,Tanzania Forest Div. Util. Sec. MoshiTanzania Forestry Department,1966,Timbers of Tanganyika - Vitex doniana,Tanzania Forestry Department, Utilisation Section, Moshi - Timbers of,Tanganyika
*Come interpretare i dati (manleva su eventuali imprecisioni)