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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 3
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Ditta 2
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Ditta 1
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Ditta 0
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Apara
Apara (Pentaclethra macroloba)

Family: Leguminosae

Common names: Apara, Ataka, Bois mulatre, Carbonero, Fine-leaf, Gabilan, Gavilan, Koeroebahara, Koeroeballi, Koorooballi, Koroballi, Kroebara, Mulato, Oil bean, Palo de aceite, Palo mulato, Parana-cachy, Paroa-caxy, Pracachy, Pracaxy, Sangredo fabo, Trysil, Wild tamarind

Distributed in: Brazil, Costa Rica, French Guiana, Guyana, Nicaragua, Panama, Suriname, Trinidad and Tobago, Venezuela (Central America, Latin America, Oceania and S.E. Asia)

Common uses: Flooring, Fuelwood, Furniture, Heavy construction, Light construction, Plywood, Poles, Veneer

Environment profile: Vulnerable

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Yellowand the sapwoodWhite, White to yellow.The grain isWeak figure, the textureMediumand the lusterMedium

Natural durability: Resistant to wood staining fungal attack, Susceptible to insect attack

Kiln Schedules: Drying (speed) is fast

Drying Defects: Distortion, Internal Honeycombing Possible

Ease of Drying: Variable

Tree Identification: Bole/stem form is buttressed

Comments: General finishing qualities are rated as good

Blunting Effect: Little

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy to saw

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: Difficult to nail, Fair to Good

Planing: Fairly Easy to Very Easy

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Sanding: Fairly Easy to Very Easy

Steam bending: Fairly Easy to Very Easy

Screwing: Fairly Easy to Very Easy ; Turning: Fairly Easy to Very Easy

Polishing: Good; Staining: Fairly Easy to Very Easy;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 753 kg/m3
Bending Strength 804 1248 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness 752 kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 134 155 1000 kg/cm2
Tangential Shrinkage 9 %
Radial Shrinkage 4 %
Weight 737 592 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 11442 17761 psi
Density 47 lbs/ft3
Hardness 1658 lbs
Maximum Crushing Strength 6899 9945 psi
Stiffness 1916 2208 1000 psi
Weight 46 37 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 9 %
Volumetric Shrinkage 13 %

Density (dry weight) = 53-60 lbs/cu. ft
Density (dry weight) = 46-52 lbs/cu. ft.
Shrinkage, Tangential = fairly large
Max. crushing strength = high
Density (dry weight) = 31-37 lbs/cu. ft.
Shrinkage, Volumetric = fairly large
Shrinkage, Radial = moderate
Shrinkage, Radial = fairly large
Modulus of Elasticity (stiffness) = medium
Modulus of Elasticity (stiffness) = high
Hardness (side grain) = medium
Bending strength (MOR) = medium
Bending strength (MOR) = high

Brooks, R.L., et al,1941,Durability tests on Untreated Timbers in Trinidad,Caribbean Forester,2(3,pp101-119Fanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1Farmer, R.H.,1972,Handbook of Hardwoods,HMSOMarshall, R.C.,1934,Trees of Trinidad and Tobago,Government Printer Port of Spain TrinidadMarshall, R.C.,1939,Silviculture of the trees of Trinidad and Tobago - British West Indies,O.U.P.,LondonRecord, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressTakahashi, A.,1975,Compilation of data on the Mechanical Properties of Foreign Woods (Part 2,Central and South America,Shimane University, Japan, Research Report on Foreign Wood No.4Tropical Timber Information Center U.S.A.,1975,Pentaclethra macroloba,State Univ. of New York TTIC Brief,14
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