Bayam badak (Strombosia javanica)
Family: Olacaceae
Common names: Bayam badak, Belian, Dali dali, Dedali, Enteloeng, Katjang katjang, Kayoe katjang, Ki katjang, Landak, Leke-leke, Mandang kalawar, Menteroengan, Petaling bemban, Sanam-sanam
Distributed in: India, Indonesia, Malaysia (Oceania and S.E. Asia)
Common uses: Cabinetmaking, Furniture, Heavy construction, Light construction, Textile equipment
Environment profile: Rare
Tree size: Trunk diameter is 100-150 cm
Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureFineand the lusterLustrous
Natural durability: Very durable, Very durable
Kiln Drying Rate: Naturally dries slowly
Drying Defects: Ring Shakes, Splitting
Ease of Drying: Slowly
Blunting Effect: Moderate
Boring: Fairly difficult to very difficult
Carving: Fairly Difficult to Very Difficult
Cutting Resistance: Moderate 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: Fair to Good , Pre-Boring Recommended
Planing: Planes well, to a good finish
Resistance to Impregnation: Resistant sapwood
Response to hand tools: Responds Poorly
Routing recessing: Fairly Easy to Very Easy
Sanding: Fairly Easy to Very Easy
Veneering qualities: Suitable for peeling
Screwing: Fair to Good Results, Pre-boring recommended; Turning: Fairly Easy to Very Easy
Polishing: Poor;
- 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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641 |
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 |
2 |
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% |
Weight |
624 |
496 |
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 | | 40 | lbs/ft3 | Weight | 39 | 31 | lbs/ft3 | Radial Shrinkage | 2 | | % | Tangential Shrinkage | 6 | | % | |
Density (dry weight) = 38-45 lbs/cu. ft. Shrinkage, Tangential = small Shrinkage, Radial = very small
Anon,1963,Indian Woods: Their Identification, Properties and uses. Vol.II Linaceae,to Moringaceae,Manager of Publications, Delhi, IndiaBrowne, F.G.,1955,Forest Trees of Sarawak and Brunei and their Products.,Government Printing Office, Kuching, SarawakDesch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15Flemmioh, C.O.,1959,Timber Utilization in Malaysia,Malayan Forest Records 13, Govt. Printer SingaporeKraemer, J.H.,1951,Trees of the Western Pacific Region,West Lafayette, Indiana U.S.A.Lee, Y.H., Lopez, D.T.,1968,The Machining Properties of some Malayan Timbers,Malayan Forester,3,pp194-210Strugnell, E.J.,1931,Notes on woods for furniture making,Malaysian Forester 1 pp69-73Thomas, A.V., Pillai, P.K.B.,1954,Shrinkage of Malayan timbers,Malayan Forester 17(4) pp208-9
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