  
Awang (Cotylelobium malayanum)
Family: Dipterocarpaceae
Common names: Awang, Bukit, Damar resak, Gagil, Giam, Giam padi, Giyam putih, Rasak, Rasak bukit, Rasak gunung, Resak, Resak babalok, Resak batu, Resak bukit, Resak daun kechil, Resak daun kecil, Resak daun lebar, Resak duren, Resak durian, Resak gagil, Resak gunung, Resak hitam, Resak jawai, Resak kecil daun, Resak kelabu, Resak keranji, Resak linga, Resak mendawe, Resak mentotoh, Resak padi, Resak paya, Resak rembaga, Resak tembaga, Resak tempurong
Distributed in: Brunei, Malaysia, Thailand (Oceania and S.E. Asia)
Common uses: Boat building (general), Boat building: framing, Bridge construction, Door, Flooring, Furniture, Heavy construction, Joinery (external): ground contact, Joinery, Light construction, Marine construction, Millwork, Mine timbers, Oars, Piling, Poles, Posts, Railroad ties, Turnery, Wharf construction
Tree size: Tree height is 10-20 m
Colors: the heart isWhite, Yellow to golden-yellow to orangeand the sapwoodWhite, White to yellow.The grain isStraight, the textureMediumand the lusterMedium
Natural durability: Susceptible to marine borer attack, Very durable
Kiln Schedules: Drying (speed) is fast
Drying Defects: Moderate surface checking
Ease of Drying: Difficult
Tree Identification: Bole/stem form is misshapen
Comments: General finishing qualities are rated as good
Blunting Effect: Blunting effect on machining is slight
Boring: Easy
Cutting Resistance: Easy to saw
Mortising: Finishes well
Planing: Planes well, to a good finish
Resistance to Impregnation: Heartwood is resistant
Response to hand tools: Fairly Difficult to Difficult to Work
Sanding: Good sanding finish
Turning: Easy to turn
- 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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833 |
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 | | 52 | lbs/ft3 | | Weight | 51 | 45 | lbs/ft3 | |
Density (dry weight) = 61-67 lbs/cu. ft. Density (dry weight) = 53-60 lbs/cu. ft. Density (dry weight) = 46-52 lbs/cu. ft. Density (dry weight) = 67-75 lbs/cu. ft.
Ashton, P.S.,1964,A manual of the Dipterocarp trees of Brunei State,O.U.P. LondonBrowne, F.G.,1955,Forest Trees of Sarawak and Brunei and their Products.,Government Printing Office, Kuching, SarawakBrown, W.H.,1978,Timbers of the World, No. 4 South East Asia,TRADA, Red Booklet SeriesBurgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15Fundter, J.M.,1982,Names for Dipterocarp timbers and trees from Asia,Pudoc, Wageningen, NetherlandsI. Soerianegara and R.H.M.J. Lemmens (Editors,1993,Plant Resources of South-East Asia 5,(PROSEA, 1,Timber trees: Major commercial timbers,Pudoc Scientific Publishers, Wageningen 1993Meijer, W., Wood, G.H.S.,1964,Dipterocarps of Sabah (North Borneo,Sabah Forest Department, Forest Record No.5Tamolang, F.N., Martawijaya, A., Kartasujana, I., Kadir, K., Parwira, S.,1992,Indonesian Wood Atlas Volume II,Department of Forestry, Agency for Forestry Research and Development,,Bogor-Indonesia
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