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Fornitori

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

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Ditta 4
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Ditta 3
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Ditta 2
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Ditta 1
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Ditta 0
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Afirifiriwa
Afirifiriwa (Cleistopholis patens)

Family: Annonaceae

Common names: Afirifiriwa, Aheri, Apako, Aru, Avom, Bofu, Bukadi, Ewetie, Fifiriwa, Lukunzu, Lupupaya, Muso, Nkyene ne ngo, Obitie, Oke, Otu, Ou, Ovok, Sobou, Sobu, Soubu, Tsho-lole, Wisa ne kyene

Distributed in: Angola, Cameroon, Congo, Ghana, Ivory Coast, Liberia, Nigeria, Sierra Leone, Togo, Uganda, Zaire (Africa)

Common uses: Agricultural implements, Boat building (general), Boxes and crates, Food containers, Furniture, Joinery, Light construction, Matches, Millwork, Musical instruments, Musical instruments: percussion, Particleboard, Plywood, Pulp/Paper products, Shingles, Sporting Goods

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite, Yellow.The grain isStraight, the textureMedium to coarseand the lusterMedium

Natural durability: Susceptible to marine borer attack, Very durable

LightInduced Color Change: None

Tree Identification: Bole/stem form is straight

Cutting Resistance: Cutting Resistance with green wood is difficult

Gluing: Easy to glue

Nailing: Easy to nail, Holds nails well

Planing: Planes well, to a good finish

Resistance to Splitting: Good

Response to hand tools: Easy to machine


Polishing: Fair to Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 384 kg/m3
Bending Strength 277 422 kg/cm2
Crushing Strength 233 391 kg/cm2
Hardness 144 kg
Impact Strength cm
Shearing Strength 109 kg/cm2
Stiffness 71 84 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight 384 320 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 3949 6009 psi
Density 24 lbs/ft3
Hardness 319 lbs
Maximum Crushing Strength 3324 5570 psi
Shearing Strength 1560 psi
Stiffness 1017 1199 1000 psi
Weight 24 20 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 8 %

Hardness (side grain) = very soft
Density (dry weight) = 23-30 lbs/cu. ft.
Bending strength (MOR) = very low
Max. crushing strength = medium
Density (dry weight) = 15-22 lbs/cu. ft.
Bending strength (MOR) = low
Shrinkage, Tangential = moderate
Shrinkage, Tangential = large
Shrinkage, Tangential = fairly large
Shrinkage, Radial = moderate
Shrinkage, Radial = large
Shrinkage, Radial = fairly large
Shearing strength (parallel to grain) = low
Modulus of Elasticity (stiffness) = very low
Max. crushing strength = low
Density (dry weight) = 31-37 lbs/cu. ft.

Bolza, E., Keating, W.G.,1972,African Timbers - the Properties, Uses and Characteristics of 700 Species,C.S.I.R.O. Div. of Building ResearchCooper, G.P., Record, S.J.,1931,The Evergreen Forests of Liberia,Yale School Forestry Bulletin,31,pp1-153Eggeling, W.J.,1940,Indigenous Trees of Uganda,Govt. Printer Entebbe UgandaErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood A. Wood Species from African Moist Forests,F.A.O. Forestry DepartmentForest Products Research Laboratory, Nigeria,1965,Nigerian Timbers for Matchmaking,Nigeria Fed. Department of Forest Research, Ibadan, Forest Products,Research Laboratory Report No.5Fouarge, J., Gerard, G.,1964,Bois du Mayumbe,I.N.E.A.C. BelguimFouarge, J.,1950,Appropriation de Bois Congolais aux Besoins de la Metropole,I.N.E.A.C. Belgium Serie Technique,No.38France - 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. FranceIrvine, F.R.,1961,Woody Plants of Ghana,O.U.P. LondonJay, B.A.,1968,Timbers of West Africa,TRADA, Red Booklet SeriesKeay, R.W.J., et al,1960,Nigerian Trees Vol.1,Nigeria Federal Department of Forest Research, IbadanKryn, J.M., Forbes, E.W.,1959,The Woods of Liberia,U.S.A. Department of Agriculture,Forest Products Laboratory, Madison,,Report No. 2159Lebacq, L., Dechamps, R.,1967,Contribution a un Inventaire de Forets du Nord-kasai,Musee Royal de L'Afrique Centrale Belgium Annals Series 8 No.5Pieters, A.,1977,Essences Forestieres du Zaire,R.U.G. Gent BelguimTakahashi, A.,1978,Compilation of Data on the Mechanical Properties of Foreign Woods (Part,III) Africa,Shimane University, Japan, Research Report on Foreign Wood No. 7Timber Development Association,1948,Some New Timbers and Their Uses No. 34,Timber Development Association Limited, London [TRADA]United Kingdom - H.M.S.O.,1954,Report of the Matchwood Working Party,H.M.S.O. for the Board of Trade and Ministry of Materials
*Come interpretare i dati (manleva su eventuali imprecisioni)