Scientific Name
Bridelia aubrevillei
Trade Name
Asas
Family Name
Euphorbiaceae
Common Names
Asas, Assas, Doaando, Ogangan, Opepea, Sasse, Tchikuebi, Tschikue
Regions of Distribution
Africa
Countries of Distribution [VIEW MAP]
Cameroon, Ivory Coast
Environmental Profile
| Very little threat to its natural environment. | ||||||||||||
| Very little threat to its natural environment. | ||||||||||||
| Data source is World Conservation Monitoring Center |
Grain
| Even | ||||||||||||
| Birds-eye (figure) | ||||||||||||
| Interlocked | ||||||||||||
| Straight |
Texture
| Coarse |
Luster
| Medium |
Natural Durability
| Perishable | ||||||||||||
| Non-durable | ||||||||||||
| Susceptible to insect attack |
Ease of Drying
| Fairly Easy |
Comments
Generally difficult to split
Generally strong, tough, and hard.
Cutting Resistance
| Easy to saw | ||||||||||||
| Band saws easily |
Gluing
| Glues well |
Nailing
| Holds nails well | ||||||||||||
| Good nailing properties |
Planing
| Requires reduced cutting angle | ||||||||||||
| Good planing properties |
Screwing
| Holds screws well | ||||||||||||
| Good screwing properties |
Strength Properties
| Max. crushing strength = high | ||||||||||||
| Compression strength (parallel to grain) = high | ||||||||||||
| Bending strength (MOR) = very high |
Numerical Data
| Item | Green | Dry | English |
| Bending Strength | 15639 | psi | |
| Impact Strength | 26 | 28 | inches |
| Maximum Crushing Strength | 7894 | psi | |
| Stiffness | 1611 | 1000 psi | |
| Specific Gravity | 0.59 | ||
| Radial Shrinkage | 3 | % | |
| Tangential Shrinkage | 8 | % | |
| Volumetric Shrinkage | 12 | % | |
| Item | Green | Dry | Metric |
| Bending Strength | 1099 | kg/cm2 | |
| Impact Strength | 65 | 71 | cm |
| Maximum Crushing Strength | 555 | kg/cm2 | |
| Stiffness | 113 | 1000 kg/cm2 | |
| Specific Gravity | 0.59 |
| Even | ||||||||||||
| Figure | ||||||||||||
| Straight | ||||||||||||
| Roey (figure) |
References
Bolza, E. and W. G. Keating. 1972 African Timbers – The Properties, Uses and Characteristics of 700 Species – Division of Building Research, Commonwealth Scientific & Industrial Research Organization, Melbourne, Australia