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Angelim amargoso
Angelim amargoso (Vataireopsis araroba)

Family: Leguminosae

Common names: Angelim amargoso, Angelim araroba, Angelim-amarelo, Angelim-pedra, Araroba, Moina, Po de araroba

Distributed in: Brazil (Latin America)

Common uses: Heavy construction, Joinery, Light construction, Poles

Tree size: Tree height is 10-20 m

Colors: the heart isWhite, Yellowand the sapwoodWhite, Yellow.The grain isStraight, the textureFine and the lusterMedium

Natural durability: Non-durable, Perishable

Ease of Drying: Fairly Easy

Cutting Resistance: Easy to saw

Response to hand tools: Easy to machine

Turning: Very Good to Excellent Results


  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density kg/m3
Bending Strength 542 849 kg/cm2
Crushing Strength 275 449 kg/cm2
Hardness 451 kg
Impact Strength cm
Shearing Strength 109 kg/cm2
Stiffness 111 129 1000 kg/cm2
Tangential Shrinkage 6 %
Radial Shrinkage 4 %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 7711 12078 psi
Hardness 995 lbs
Maximum Crushing Strength 3916 6397 psi
Shearing Strength 1560 psi
Stiffness 1589 1835 1000 psi
Radial Shrinkage 4 %
Tangential Shrinkage 6 %
Volumetric Shrinkage 10 %

Max. crushing strength = medium
Shrinkage, Tangential = small
Shrinkage, Radial = moderate
Bending strength (MOR) = medium
Bending strength (MOR) = low
Shrinkage, Volumetric = moderate
Shearing strength (parallel to grain) = low
Modulus of Elasticity (stiffness) = medium
Hardness (side grain) = soft
Modulus of Elasticity (stiffness) = low

Mainieri, C., Pereira, J.A.,1965,Madeiras do Brasil,Anuario Brasileiro de Economia Florestal,17(17,PP135-416Mainieri, C.,1978,Fichas de Caracteristicas das Madeiras Brasileiras,Inst. Pesquisas TechnologicasRizzini, C.T.,1978,Arvores e Madeiras Uteis do Brasil: Manual de Dendrologia Brasileira,Editora Edgard Blucher LTDA BrazilSao Paulo - Instituto de Pesquisas Tecnologicas,1956,Tabelas de Resultados obtidos para Madeiras Nacionais,Inst. Pesq. Tec. Sao Paulo, Brazil Bol., No.31(2nd Ed.)Takahashi, 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 Woods,1968,Madeiras Comercias Brasileiras,Inst. Pesq. Tec. Sao Paulo Brazil Publ.,857Wood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13
*Come interpretare i dati (manleva su eventuali imprecisioni)