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AbamAbam
Abam (Chrysophyllum africanum)

Family: Sapotaceae

Common names: Abam, Akatio, Anandio, Aniegrerose, Aningueri, Aningueri rouge, Balata blanca, Bleing, Bompambu, Bopambu, Caimitillo, Caimito, Caimito morado, Canela, Carne de vaca, Feuilles rousses, Goldenleaf, Kokoritiballi, Lechecillo, Longhi, Longhui, Longui, Longui rouge, M'bebame

Distributed in: Angola, Benin, Cameroon, Congo, Gabon, Ghana, Guinea, Ivory Coast, Sierra Leone, Togo, Zaire (Africa)

Distribution overview: Tropical west and east Africa. From Sierra Leone to the Congo region and Angola; found in rain forest and transitional formations, often planted for its edible fruits.

Common uses: Beams, Bent Parts, Building construction, Building materials, Cabin construction, Cabinetmaking, Chairs, Chests, Concrete formwork, Construction, Core Stock, Decks, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Drawer sides, Excelsior, Factory construction, Figured veneer, Fine furniture, Flooring, Form work, Foundation posts, Framing, Furniture , Furniture components, Furniture squares or stock, Furniture, Hatracks, Heavy construction, Interior construction, Interior trim, Joinery, Joists, Kitchen cabinets, Light construction, Living-room suites, Millwork, Plywood, Stairworks, Toys, Turnery, Veneer, Veneer: decorative

Product sources: The ITTO reports that timber production from the species is not regular. It is exported only in low volumes.

Environment profile: Very little threat to its natural environment.

Tree size: Tree height is 20-30 m

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite, Yellow.The grain isStriped figure, the textureMediumand the lusterLow

Natural durability: Very little natural resistance, Very vulnerable to marine borer attack

Odor: Has an odor

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

Drying Defects: Distortion (twist/warp) is likely, Severe surface checking

Ease of Drying: Thick Stock Requires Care

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good Generally strong, tough, and hard.

Blunting Effect: Slight

Boring: Easy

Carving: Good results

Cutting Resistance: Easy to saw

Gluing: Glues well

Mortising: Finishes well

Moulding: Good finishing

Movement in Service: Good finishing

Nailing: Easy to nail, Holds nails well

Planing: Planes well, to a good finish

Resistance to Impregnation: Treatable by pressure processes

Resistance to Splitting: Good

Response to hand tools: Excellent response

Routing recessing: Routing yields good results

Sanding: Easy to sand

Veneering qualities: Suitable for peeling, Suitable for slicing

Screwing: Good screwing properties ; Turning: Good results

Painting: Good; Polishing: Good; Varnishing: Good;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,59
Density 737 kg/m3
Bending Strength 942 1394 kg/cm2
Crushing Strength 432 663 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 123 149 1000 kg/cm2
Tangential Shrinkage 8 %
Radial Shrinkage 5 %
Weight 785 721 kg/m3
Maximum Load cm-kg/cm3
Toughness 270 cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 13404 19836 psi
Density 46 lbs/ft3
Maximum Crushing Strength 6153 9440 psi
Stiffness 1762 2132 1000 psi
Toughness 235 inch-lbs
Specific Gravity 0.59
Weight 49 45 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 8 %
Volumetric Shrinkage 14 %

Bending strength (MOR) = high
Shrinkage, Tangential = fairly large
Shrinkage, Radial = fairly large
Max. crushing strength = high
Density (dry weight) = 46-52 lbs/cu. ft.
Density (dry weight) = 38-45 lbs/cu. ft.
Bending strength (MOR) = very high
Bending strength (MOR) = medium
Very heavy
Modulus of Elasticity (stiffness) = low
Modulus of Elasticity (stiffness) = high
Max. crushing strength = medium
Density = high
Compression strength (parallel to grain) = very high

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.Erfurth, 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.,1977,Promotion of African Timbers - New Species,CTFT,35 LeafletsITTO.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.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)