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Fornitori

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

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

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Ditta 3
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 2
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 1
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 0
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Apa
Apa (Eperua jenmannii)

Family: Leguminosae

Common names: Apa, Ituri wallaba, Soft wallaba, Tabaco, Uapa, Wallaba, Wapa

Distributed in: Guyana (Latin America)

Distribution overview: Generally found in the Guianas and into Venezuela and the Amazon region of northern Brazil.

Common uses: Bridge construction, Charcoal, Decks, Flooring, Fuelwood, Particleboard, Poles, Posts, Railroad ties, Shingles

Tree size: Tree height is 30-40 m

Colors: the heart isRed, Redand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureMedium to coarseand the lusterMedium

Natural durability: Susceptible to marine borer attack, Very durable

Silica Content: Siliceous

Kiln Schedules: Dry at a slow speed

Drying Defects: Severe end splitting, Severe twisting/warping

Ease of Drying: Moderately Difficult to Difficult

Tree Identification: Bole/stem form is cylindrical

Blunting Effect: High to severe

Boring: Moderately easy

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Nailing: Difficult to nail

Planing: Planes well, to a good finish

Response to hand tools: Moderate working qualities


Polishing: Very Good to Excellent; Staining: Finish is generally good ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 913 kg/m3
Bending Strength 1026 1518 kg/cm2
Crushing Strength kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 14597 21597 psi
Density 57 lbs/ft3
Weight 56 45 lbs/ft3

Density (dry weight) = 53-60 lbs/cu. ft
Density (dry weight) = 61-67 lbs/cu.ft
Bending strength (MOR) = very high
Bending strength (MOR) = medium
Bending strength (MOR) = high

Brown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet SeriesErfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry DepartmentFanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1
*Come interpretare i dati (manleva su eventuali imprecisioni)