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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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Andjung
Andjung (Monopetalanthus letestui)

Family: Caesalpiniaceae

Common names: Andjung, Andoung, Andoung de le-testui, Eko, Ekop, Ekop andoung, Ekop mayo, Kika kayi, Mayo, N'douma, Zoele

Distributed in: Cameroon, Congo, Gabon, Guinea (Africa)

Common uses: Boat building (general), Boxes and crates, Cabinetmaking, Flooring, Furniture, Handles: general, Joinery, Ladders, Light construction, Matches, Plywood corestock, Plywood, Pulp/Paper products, Railroad ties, Sporting Goods, Toys, Vehicle parts

Environment profile: Endangered

Tree size: Tree height is 10-20 m

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodSame as heartwood, Yellow.The grain isInterlocked, the textureMedium

Natural durability: Susceptible to attack from termites (Isoptera), Very durable

Odor: Has an odor

Kiln Schedules: Drying (speed) is fast

Ease of Drying: Reconditioning Treatement

Tree Identification: Bole/stem form is cylindrical

Comments: General finishing qualities are rated as good

Boring: Fairly easy to very easy

Cutting Resistance: Cutting Resistance with green wood is easy

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: Easy to nail, Poor to Very Poor

Planing: Planes to a poor finish

Resistance to Impregnation: Heartwood is moderately resistant

Response to hand tools: Easy to machine

Veneering qualities: Easy to cut

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

Polishing: Satisfactory;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 576 kg/m3
Bending Strength 762 1184 kg/cm2
Crushing Strength 317 499 kg/cm2
Hardness 551 kg
Impact Strength cm
Shearing Strength 77 kg/cm2
Stiffness 91 105 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 4 %
Weight 560 448 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 10851 16853 psi
Density 36 lbs/ft3
Hardness 1215 lbs
Maximum Crushing Strength 4513 7107 psi
Shearing Strength 1107 psi
Stiffness 1296 1503 1000 psi
Weight 35 28 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 9 %

Shrinkage, Tangential = fairly large
Shrinkage, Tangential = large
Shrinkage, Radial = fairly large
Max. crushing strength = medium
Bending strength (MOR) = medium
Bending strength (MOR) = high
Shrinkage, Tangential = moderate
Shrinkage, Radial = small
Shrinkage, Radial = large
Modulus of Elasticity (stiffness) = very low
Shearing strength (parallel to grain) = very low
Modulus of Elasticity (stiffness) = low
Hardness (side grain) = soft
Density (dry weight) = 38-45 lbs/cu. ft.
Density (dry weight) = 31-37 lbs/cu. ft.
Shearing strength (parallel to grain) = low
Max. crushing strength = high
Hardness (side grain) = medium
Bending strength (MOR) = 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 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.,1966,Bois Tropicaux,C.T.F.T. Publ.,12Hughes, J.F.,1971,The Principal Timber Trees of Cameroon,Unpublished dataLetouzey, R., Mouranche, R.,1952,Ekop du Cammeroun,C.T.F.T,France Publ.,No.4Sallenave, 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)