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Blunting Effect
Boring
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Schedules
Luster
Mortising
Natural Durability
Numerical Data
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sanding
Sapwood Color
Scientific Name
Strength Properties
Texture
Toxicity
Trade Name
Tree Identification
Tree Size
Turning
Veneering Qualities
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Common Names
Bodi rimbo, Cemara itam, Duang, Jhinkri, Jikri, Jutili, Jutuli, Lamin, Mala, Mandung, Nantayok, Rasamala, Rasamala beureum, Rasamala bodas, Rasamala gadog, Rasamalah, Rasamalo abang, Rasamalo hitam, Rasamalo putih, Sangri-change, Semalo, Silaras, Siri-asing, Sob, Tulason, Yogir-asing
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Burma, China, India, Indonesia, Malaysia
Common Uses
Boat building (general), Bridge construction, Heavy construction, Light construction, Poles, Railroad ties, Vehicle parts
Heartwood Color
| Red |
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| Purple |
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| Brown |
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| Reddish brown |
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| Brown, red, dark reddish brown with nearly black stripes after prolonged exposure |
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| Black |
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Sapwood Color
| White |
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| Pink |
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| Yellow |
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| Paler than heartwood |
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Grain
| Interlocked |
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| Closed |
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| Even |
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| Straight |
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| Wavy |
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| Interlocked |
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| Wavy |
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| Straight |
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Texture
Luster
| Medium |
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| Low |
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| Slightly lustrous |
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| Dull |
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Natural Durability
| Durable |
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| Very durable |
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| Perishable |
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| Moderately durable |
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| Non-durable |
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| Moderately durable |
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| Durable |
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Toxicity
Kiln Schedules
Drying Defects
| Splitting |
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| Checking |
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| Moderate twist/warp |
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| Severe surface checking |
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| Moderate surface checking |
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| Moderate end spitting |
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| Moderate cupping |
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Ease of Drying
Tree Identification
| Bole/stem form is fluted |
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| Bole/stem form is buttressed |
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Tree Size
| Tree height is 10-20 m |
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| Bole length is 0-10 m |
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| Bole length is 10-20 m |
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| Tree height is 20-30 m |
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| Sapwood width is 5-10 cm |
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| Tree height is 0-10 m |
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| Trunk diameter is 100-150 cm |
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Comments
General finishing qualities are rated as good
General finishing qualities are rated as poor
Blunting Effect
| Blunting effect on machining is severe |
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Boring
Cutting Resistance
| Easy to saw |
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| Cutting Resistance with green wood is easy |
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| Cutting Resistance with dry wood is difficult |
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| Cutting Resistance with dry wood is easy |
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Mortising
Planing
| Planes well, to a good finish |
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Resistance to Impregnation
| Heartwood is extremely resistant |
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| Heartwood is moderately resistant |
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Response to Hand Tools
| Easy to Work |
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| Difficult to machine |
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Sanding
Turning
| Fairly Easy to Very Easy |
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| Fair to Good Results |
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| Very Good to Excellent Results |
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| Difficult to turn |
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| Good results |
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Veneering Qualities
| Moderately easy to veneer |
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| Good gluing qualities |
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Polishing
Strength Properties
| Max. crushing strength = high |
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| Modulus of Elasticity (stiffness) = medium |
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| Bending strength (MOR) = medium |
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| Shearing strength (parallel to grain) = medium |
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| Hardness (side grain) = medium |
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| Toughness-Hammer drop (Impact Strength) = low |
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| Shrinkage, Volumetric = moderate |
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| Shrinkage, Tangential = fairly large |
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| Shrinkage, Radial = moderate |
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| Density (dry weight) = 46-52 lbs/cu. ft. |
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| Toughness-Hammer drop (Impact Strength) = medium |
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| Shrinkage, Tangential = large |
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| Shrinkage, Radial = fairly large |
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| Modulus of Elasticity (stiffness) = low |
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| Max. crushing strength = medium |
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| Bending strength (MOR) = low |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 8853 | 13854 | psi |
| Density | | 47 | lbs/ft3 |
| Hardness | | 1658 | lbs |
| Impact Strength | | 34 | inches |
| Maximum Crushing Strength | 6568 | 9550 | psi |
| Shearing Strength | | 2205 | psi |
| Stiffness | 1621 | 1872 | 1000 psi |
| Weight | 46 | 37 | lbs/ft3 |
| Radial Shrinkage | 4 | | % |
| Tangential Shrinkage | 9 | | % |
| Volumetric Shrinkage | 10 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | 622 | 974 | kg/cm2 |
| Density | | 753 | kg/m3 |
| Hardness | | 752 | kg |
| Impact Strength | | 86 | cm |
| Maximum Crushing Strength | 461 | 671 | kg/cm2 |
| Shearing Strength | | 155 | kg/cm2 |
| Stiffness | 113 | 131 | 1000 kg/cm2 |
| Weight | 737 | 592 | kg/m3 |
| Radial Shrinkage | 4 | | % |
| Tangential Shrinkage | 9 | | % |
References
Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. London
Howard, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.
Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 vols
Ramesh, Rao K., Purkayastha, S.K.,1972,Indian Woods - Their Identification Properties and Uses,Dehra Dun India,Vol. 3
Sekhar, A.C., Bhatnagar, S.S.,1955,Physical and mechanical properties of woods tested at Forest Research,Institute Report No.IV,Indian Forester 81(7) pp420-3
Sekhar, A.C.,1955,The Physical and Mechanical Properties of Woods,Indian Forest Records (ns Timber Mechanics,1(3,pp69-72
Sono, P.,1974,Merchantable Timbers of Thailand.,Forest Products Research Division, Royal Forest Department, Bangkok,,Thailand.
Tamolang, 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
Tewari, M.C., Jain, J.C.,1980,Utilization of Secondary Species,Journal of the National Building Organization 25(2) pp1-6
Whitmore, T.C.,1973,Tree Flora of Malaya A Manual for Foresters Volume 2,Forest Department Ministry of Primary Industries Malaysia
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