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Blunting Effect
Comments
Common Names
Common Uses
Countries of Distribution
Drying Defects
Ease of Drying
Family Name
Gluing
Grain
Heartwood Color
Kiln Schedules
Luster
Movement in Service
Natural Durability
Natural Growth Defects
Numerical Data
Planing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Staining
Strength Properties
Texture
Trade Name
Tree Identification
Turning
Veneering Qualities
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Common Names
Anas, Angser, Apnit, Bakook, Balagbag, Balak, Balakbak, Bayokan, Bayukan, Bunge, Lauaan, Lauan-blanco, Lauanputi, Malaanonang, Malasinoro, Mayapis, Pamalalran, Tiaong, White lauan
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Philippines
Common Uses
Boat building (general), Boat building: planking, Boxes and crates, Cabinetmaking, Flooring, Furniture, Heavy construction, Joinery, Light construction, Mine timbers, Paneling, Particleboard, Plywood, Veneer
Heartwood Color
| Brown |
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| Green/grey |
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| Pale red to pink |
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| Greenish to greyish |
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| Brown, red, dark reddish brown with nearly black stripes after prolonged exposure |
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Sapwood Color
| White |
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| Yellow |
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| Same as heartwood |
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| Different than heartwood |
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Grain
| Interlocked |
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| Figure |
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| Rippled (figure) |
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| Interlocked |
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| Rippled figure |
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Texture
| Fine |
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| Medium to coarse |
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| Coarse |
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Luster
Natural Growth Defects
Natural Durability
| Very durable |
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| Susceptible to insect attack |
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| Resistant to termites |
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| Resistant to powder post beetles |
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| Susceptible to attack from termites (Isoptera) |
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| Non durable |
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| Heartwood is susceptible to wood staining fungal attack |
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Kiln Schedules
Drying Defects
Ease of Drying
Tree Identification
| Bole/stem form is cylindrical |
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| Bole/stem form is buttressed |
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Comments
General finishing qualities are rated as good
Blunting Effect
| Blunting effect on machining is slight |
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Gluing
| Moderate gluing properties |
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Movement in Service
Planing
| Planes well, to a good finish |
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Resistance to Impregnation
Response to Hand Tools
| Easy to Work |
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| Easy to machine |
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| Moderate working qualities |
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| Difficult to machine |
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Turning
Veneering Qualities
| Easy to cut |
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| There is slight to moderate drying degrade and the potential for buckles and splits |
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| Suitable for peeling |
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Staining
| Finish is generally satisfactory |
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Strength Properties
| Modulus of Elasticity (stiffness) = low |
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| Density (dry weight) = 31-37 lbs/cu. ft. |
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| Bending strength (MOR) = low |
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| Max. crushing strength = medium |
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| Shrinkage, Tangential = moderate |
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| Shrinkage, Radial = small |
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| Hardness (side grain) = soft |
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| Density (dry weight) = 38-45 lbs/cu. ft. |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 6111 | 9589 | psi |
| Density | | 34 | lbs/ft3 |
| Hardness | | 995 | lbs |
| Maximum Crushing Strength | 3916 | 6397 | psi |
| Stiffness | 1358 | 1568 | 1000 psi |
| Weight | 33 | 26 | lbs/ft3 |
| Radial Shrinkage | 3 | | % |
| Tangential Shrinkage | 7 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 429 | 674 | kg/cm2 |
| Density | | 544 | kg/m3 |
| Hardness | | 451 | kg |
| Maximum Crushing Strength | 275 | 449 | kg/cm2 |
| Stiffness | 95 | 110 | 1000 kg/cm2 |
| Weight | 528 | 416 | kg/m3 |
| Radial Shrinkage | 3 | | % |
References
Brown, W.H.,1969,Properties and uses of Tropical hardwoods in the United Kingdom. Part 1,Nonstructural properties and uses.,Conference on Tropical hardwoods SC-5/TN-5, Syracuse University
Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.
I.U.F.R.O.,1973,Veneer Species of the World,Assembled at F.P.L. Madison on behalf of I.U.F.R.O. Working Party on,Slicing and Veneer Cutting
Lomibao, B.A.,1973,Guide to the identification of the woods of Philippine Dipterocarpaceae,Foxpride Digest 2(2) pp26-34
Reyes, L.J.,1938,Philippine Woods,Commonwealth of the Philippines Department of Agriculture and Commerce,Technical Bulletin,No.7
Tamesis, F., Aguilar, L.,1953,The 'Philippine mahogany' and other Dipterocarp woods,Philippine Department of Agriculture and Natural Research Popular Bulletin,No.44
U.S.D.A. Forest Service,1974,Wood Handbook,U.S.A. Department of Agriculture, Forest Service Handbook,72
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