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Espinheiro-preto
COMMOM NAME |
| Senegalia polyphylla = Acacia polyphylla |
| SCIENTIFIC NAME |
| Mimosaceae |
| FAMILY |
| Tucumã-PA |
| ORIGIN |
OTHERS COMMOM NAMES:
Acácia-monjolo, Angico-monjolo, Angiquinho, Espinheiro-preto, Fava-de-espinho, Gorucaia, Guarucaia, Juqueriguaçu, Maricá, Monjoleira, Monjoleiro, Paricá, Paricá-branco, Paricá-grande, Paricarana, Paricarana-de-espinho, Paricarana-do-amazonas,
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RETENTION AND PENETRATION OF PRESERVATIVES IN WOOD
| Preservative |
Retention (kg/m3) |
Penetration |
| Sapwood |
Heartwood |
Indistinct |
Sapwood |
Heartwood |
Indistinct |
| CCA-A |
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15 |
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| Creosote |
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421 |
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Obs.: the retention of the creosote is expressed in kilogram of preservative by cubic meter of treated wood and the one of the CCA-A in kilogram of active ingredients for cubic meter of wood
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PHYSICAL PROPERTIES
| Density(g/cm3) |
Shrinkage (%) |
Shrinkage Tangential/ Shrinkage Radial |
| Dry |
Green |
Basic |
12% |
Tangential |
Radial |
Volumetric |
| 0.70 |
1.20 |
0.60 |
0.74 |
10.10 |
4.90 |
14.00 |
2.06 |
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MECHANICAL PROPERTIES
| State |
Static Bending |
Compression |
Janka Hardness |
| Modulus of rupture (kgf/cm2) |
Modulus of elasticity (1.000kgf/cm2) |
Parallel to the grain |
Perpendicular to the grain |
Parallel to the grain (kgf) |
End to the grain (kgf) |
| Maximum compression (kgf/cm2) |
Stress at proportional limit (kgf/cm2) |
| Green |
770 |
114 |
309 |
46 |
323 |
325 |
| Dry |
1066 |
132 |
590 |
87 |
691 |
496 |
| State |
Tension |
Cleavage strenght |
Shear |
Nail extration |
| Perpendicular to the grain |
Maximum compression (kgf/cm) |
Maximum compression (kgf/cm) |
Parallel to the grain (kgf) |
End to the grain (kgf) |
| Maximum compression (kgf/cm2) |
| Green |
49 |
54 |
101 |
66 |
125 |
| Dry |
35 |
65 |
117 |
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Heartwood Color Classification: White
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