Scientific Name
Vataireopsis araroba
Trade Name
Angelim amargoso
Family Name
Leguminosae
Synonyms
Andira araroba
Common Names
Angelim amargoso, Angelim araroba, Angelim-amarelo, Angelim-pedra, Araroba, Moina, Po de araroba
Regions of Distribution
Latin America
Countries of Distribution [VIEW MAP]
Brazil
Common Uses
Heavy construction, Joinery, Light construction, Poles
Heartwood Color
| White | ||||||||||||
| Yellow | ||||||||||||
| Orange |
Sapwood Color
| Yellow | ||||||||||||
| White |
Grain
| Even | ||||||||||||
| Straight |
| Straight |
Texture
| Fine |
Luster
| Medium | ||||||||||||
| Lustrous |
Natural Durability
| Perishable | ||||||||||||
| Moderately durable | ||||||||||||
| Non-durable |
Toxicity
| Unspecified toxicity |
Ease of Drying
| Fairly Easy |
Tree Size
| Tree height is 0-10 m | ||||||||||||
| Tree height is 10-20 m |
Cutting Resistance
| Easy to saw |
Response to Hand Tools
| Easy to Work | ||||||||||||
| Easy to machine |
Turning
| Fairly Easy to Very Easy | ||||||||||||
| Very Good to Excellent Results | ||||||||||||
| Fair to Good Results |
Strength Properties
| 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 |
Numerical Data
| 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 | % | |
| Item | Green | Dry | Metric |
| Bending Strength | 542 | 849 | kg/cm2 |
| Hardness | 451 | kg | |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Shearing Strength | 109 | kg/cm2 | |
| Stiffness | 111 | 129 | 1000 kg/cm2 |
| Radial Shrinkage | 4 | % | |
| Tangential Shrinkage | 6 | % |
References
Mainieri, C., Pereira, J.A.,1965,Madeiras do Brasil,Anuario Brasileiro de Economia Florestal,17(17,PP135-416
Mainieri, C.,1978,Fichas de Caracteristicas das Madeiras Brasileiras,Inst. Pesquisas Technologicas
Rizzini, C.T.,1978,Arvores e Madeiras Uteis do Brasil: Manual de Dendrologia Brasileira,Editora Edgard Blucher LTDA Brazil
Sao 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.4
Tropical Woods,1968,Madeiras Comercias Brasileiras,Inst. Pesq. Tec. Sao Paulo Brazil Publ.,857
Wood, B., Calnan, D.,1976,Toxic Woods,British Journal of Dermat 94 Suppl. 13