Kulim (Scorodocarpus borneensis)
Family: Olacaceae
Common names: Ansam, Bawang, Bawang hutan, Bawang utan, Buwanghutan, Cepeluk, Forest garlic, Jaui, Kasino, Kayu bawang, Kudar, Kudur, Kulim, Kulium, Madudu, Marsindu, Merca, Rengon, Sedau, Selaru, Seluru, Sinduk, Sinoh, Terdu, Ungsanah
Distributed in: Indonesia, Malaysia (Oceania and S.E. Asia)
Distribution overview: This species occurs throughout the lowland forests in Borneo, the Malay Peninsula, and Sumatra. It is described as occasionally gregarious.
Common uses: Agricultural implements, Barge fenders, Boat building (general), Boat building, Boat building: framing, Bridge construction, Building construction, Building materials, Cabin construction, Canoes, Construction, Crossties, Docks, Dockwork, Domestic flooring, Excelsior, Factory construction, Flooring, Flooring: industrial heavy traffic, Harbor work, Heavy construction, Joinery (external): ground contact, Joinery, Lifeboats, Light construction, Marine construction, Mine timbers, Naval architecture, Parquet flooring, Piling, Plywood, Poles, Posts, Raft floats, Rafts, Railroad ties, Roofing, Shipbuilding, Sills, Sporting Goods, Structural work, Sub-flooring, Vehicle parts, Wharf construction, Windows
Environment profile: Secure within most of its natural growth range
Tree size: Tree height is 50-60 m
Colors: the heart isSilver flecks , Whiteand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureModerately fineand the lusterSlightly lustrous
Natural durability: Susceptible to attack from termites (Isoptera), Very durable
Odor: Strong garlic smell when freshly-cut, and peppery smell after it dries
LightInduced Color Change: Darker
Kiln Schedules: Kiln Drying Rate (in days) is rapid
Kiln Drying Rate: Kiln drying rate (green to 12% mc) is rapid, typically from less than 10 days for a board under 32 mm, to less than 30 days for a board 63 mm and thicker.
Drying Defects: No twisting or warping, Severe end splitting
Ease of Drying: Thick Stock Requires Care
Tree Identification: Bole/stem form is not buttressed
Blunting Effect: Little
Boring: Moderately easy
Carving: Responds readily to carving operations
Cutting Resistance: Fairly easy to saw
Gluing: Good gluing properties
Mortising: Finishes well
Moulding: Fairly Easy to Very Easy
Movement in Service: Fairly Easy to Very Easy
Nailing: Nails hold poorly, Possible if prebored
Planing: Works without too much difficulty in planing, moulding, boring, turning and most operations
Resistance to Impregnation: Sapwood is permeable
Response to hand tools: Stock without deeply interlocked grain is fairly easy to work
Routing recessing: Fairly Easy to Very Easy
Sanding: Good sanding finish
Veneering qualities: Suitable for peeling, Suitable for slicing
Steam bending: Tends to Degrade
Screwing: Fair to Good Results, Fairly Easy to Very Easy; Turning: Turns with moderate ease
Polishing: Satisfactory; Staining: Very Good to Excellent;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
0,66 |
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Density |
|
849 |
kg/m3 |
Bending Strength |
694 |
1011 |
kg/cm2 |
Crushing Strength |
420 |
583 |
kg/cm2 |
Hardness |
|
694 |
kg |
Impact Strength |
65 |
71 |
cm |
Shearing Strength |
|
93 |
kg/cm2 |
Stiffness |
128 |
146 |
1000 kg/cm2 |
Tangential Shrinkage |
7 |
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% |
Radial Shrinkage |
3 |
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% |
Weight |
833 |
641 |
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 | Bending Strength | 9875 | 14389 | psi | Density | | 53 | lbs/ft3 | Hardness | | 1531 | lbs | Impact Strength | 26 | 28 | inches | Maximum Crushing Strength | 5979 | 8304 | psi | Shearing Strength | | 1323 | psi | Stiffness | 1831 | 2080 | 1000 psi | Specific Gravity | 0.66 | | | Weight | 52 | 40 | lbs/ft3 | Radial Shrinkage | 3 | | % | Tangential Shrinkage | 7 | | % | Volumetric Shrinkage | 13 | | % | |
Density (dry weight) = 53-60 lbs/cu. ft 0 Density (dry weight) = 46-52 lbs/cu. ft. 1 Modulus of Elasticity (stiffness) = medium Hardness (side grain) = medium Bending strength (MOR) = low Shrinkage, Tangential = small Shrinkage, Radial = very small Max. crushing strength = medium Max. crushing strength = high Toughness-Hammer drop (Impact Strength) = low Shrinkage, Radial = moderate Shearing strength (parallel to grain) = very low Density (dry weight) = 61-67 lbs/cu. ft Density (dry weight) = 38-45 lbs/cu. ft. Shrinkage, Tangential = fairly large Bending strength (MOR) = medium Bending strength (MOR) = high Shrinkage, Volumetric = large Shrinkage, Tangential = very small Shearing strength (parallel to grain) = medium Modulus of Elasticity (stiffness) = high Weight=High Resists wearing, denting and marring fairly well Modulus of Elasticity (stiffness) = very low Density=High Crushing strength = high Compression strength (parallel to grain) = high
Balan Menon, P.K.,1958,Uses of Malayan Timbers,Malayan Forester 21(1) pp34-44Browne, F.G.,1955,Forest Trees of Sarawak and Brunei and their Products.,Government Printing Office, Kuching, SarawakBurgess, 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. 1957. Manual of Malayan Timbers. Malayan Forest Records, 28(30):315-318Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15Grewal, G.S.,1979,Air seasoning properties of some Malaysian timbers,Malaysia Forestry Department, Forest Service, Trade Leaflet No.41Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.Jackson, W.F.,1957,The Durability of Malayan Timbers,Malayan Forester,20,pp38-48Kartasujana, I., Martawijaya, A.,1973,Commercial Woods of Indonesia,Forest Products Research Institute, Department Pertanian, Bogor Indonesia,Report No.3Keating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1Kloot, N. H. and E. Bolza.1961.Properties of Timbers Imported into Australia.Technological Paper No. 12.Division of Forest Products, Commonwealth Scientific & Industrial Research Organization, Melbourne, Australia.Lee, Y.H., Chu, Y.P.,1965,The Strength Properties of Malayan Timbers,Malayan Forester 28(4) pp307-19Lee, Y.H., et al,1974,Commercial Timbers of Peninsular Malaysia,Kuala Lumpur Malaysia Department of Forestry Peninsular Malaysia and,Malaysian Timber Industry BoardLee, Y.H., Lopez, D.T.,1968,The Machining Properties of some Malayan Timbers,Malayan Forester,3,pp194-210Malaysian Timber Industry Board,1986,100 Malaysian Timbers,The Malaysian Timber Industry BoardMenon, K.D.,1958,Susceptibility of Commercial Species of Malayan Timbers to Powder-post,Beetle,Attack,Malayan Forest Service Trade Leaflet,no.27Perrot, E.,1921,Les Bois du Gabon,Larose ParisSmythies, B.E.,1965,Common Sarawak Trees,Borneo Literature BureauStadelman, R.C.,1966,Forests of South-East Asia,Wimmer Bros., Memphis TennesseeStrugnell, E.J.,1931,Notes on woods for furniture making,Malaysian Forester 1 pp69-73Tamolang, 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-IndonesiaWalker, F.S.,1941,Resistance of Timbers to Marine Borer Attack,Malayan Forester 10(4) pp145-9WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.Whitmore, T.C.,1973,Tree Flora of Malaya A Manual for Foresters Volume 2,Forest Department Ministry of Primary Industries MalaysiaWong, T.M.,1982,A Dictionary of Malaysian Timbers,Malaysia Forest Department, Malayan Forest Records No.30
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