Pelajau (Pentaspadon motleyi)
Family: Anacardiaceae
Common names: Pelajau, Pelong, Pelong licin, Plajau
Distributed in: Malaysia, Solomon Islands (Oceania and S.E. Asia)
Common uses: Light construction
Tree size: Trunk diameter is 250-300 cm
Colors: the heart isRed, Yellowand the sapwoodGreen/Grey, Yellow.The grain isWeak figure, the textureFine to medium
Natural durability: Susceptible to insect attack, Susceptible to marine borer attack
Kiln Drying Rate: Very slow
Drying Defects: Collapse, Internal Honeycombing Possible
Ease of Drying: Moderately Difficult to Difficult
Tree Identification: Bole/stem form is buttressed
Cutting Resistance: Easy to saw
Gluing: Fairly Easy to Very Easy
Mortising: Fairly Easy to Very Easy
Moulding: Fairly Easy to Very Easy
Movement in Service: Fairly Easy to Very Easy
Nailing: Fairly Easy to Very Easy
Planing: Planes well, to a good finish
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Easy to Work
Turning: Very Good to Excellent Results
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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| Item |
Green |
Dry |
Metric |
| Specific Gravity |
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| Density |
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753 |
kg/m3 |
| Bending Strength |
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kg/cm2 |
| Crushing Strength |
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kg/cm2 |
| Hardness |
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kg |
| Impact Strength |
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cm |
| Shearing Strength |
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kg/cm2 |
| Stiffness |
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1000 kg/cm2 |
| Tangential Shrinkage |
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% |
| Radial Shrinkage |
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% |
| Weight |
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kg/m3 |
| Maximum Load |
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cm-kg/cm3 |
| Toughness |
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cm-kg |
| Static Bending |
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kg/cm2 |
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 |  |  |  | | Item | Green | Dry | English | | Density | | 47 | lbs/ft3 | | Weight | 46 | 37 | lbs/ft3 | |
Density (dry weight) = 46-52 lbs/cu. ft.
Burgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15Ng, F.S.P. (Ed,1989,Tree Flora of Malaya A Manual for Foresters Volume 4,Forest Research Institute Malaysia Ministry of Primary Industries
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