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Blunting Effect
Boring
Carving
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Mortising
Moulding
Movement in Service
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
Product Sources
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Routing & Recessing
Sanding
Sapwood Color
Scientific Name
Strength Properties
Texture
Trade Name
Tree Size
Turning
Veneering Qualities
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Common Names
Gu, Kayu galu, Makata, Petir, Sepetir, Sindur, Supa
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
Indonesia, Malaysia, Philippines, Thailand
Common Uses
Bedroom suites, Building materials, Cabinetmaking, Chairs, Chests, Concealed parts (Furniture), Core Stock, Decorative veneer, Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Excelsior, Figured veneer, Fine furniture, Floor lamps, Furniture , Furniture components, Furniture squares or stock, General carpentry, Handles, Hatracks, Interior construction, Joinery, Kitchen cabinets, Living-room suites, Office furniture, Paneling , Plain veneer, Radio - stereo - TV cabinets, Rustic furniture, Shafts/Handles, Stools, Tables , Tool handles, Utility furniture, Veneer, Wainscotting, Wardrobes
Environmental Profile
| Status has not been officially assessed |
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Distribution Overview
Several species in the genus Sindora are reported to occur in south-east Asia.
Heartwood Color
| Brown |
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| Red |
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| Yellow |
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| Purple |
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| Occasional dark streaks |
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| Golden brown or various shades of brown |
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| Darkens after exposure |
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Sapwood Color
| Yellow |
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| White |
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| Wide |
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| Light grayish brown |
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| Clearly demarcated from heartwood in old trees |
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Grain
| Even |
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| Straight |
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| Interlocked |
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| Straight to shallowly interlocked |
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Flat-Sawn timber shows the attractive figure to the best advantage
Texture
| Medium |
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| Coarse |
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| Medium |
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| Greasy feel |
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| Even textured |
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Luster
Natural Durability
| Perishable |
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| Non-durable |
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| Very low natural resistance to decay in ground contact in the tropical regions |
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| Susceptible to termite attack |
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| Susceptible to attack by powder-post beetle |
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Odor
| Spicy odor which persists even after the wood is seasoned |
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Kiln Schedules
| T8-B3 (4/4) |
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| T5-B1 (8/4) US Schedule G (4/4) United Kingdom |
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Drying Defects
| Collapse |
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| Internal Honeycombing Possible |
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| May distort and end-split slightly during drying |
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Ease of Drying
| Fairly Easy |
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| Slowly |
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| Reconditioning Treatement |
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| Seasons with little degrade |
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| Good drying characteristics |
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Kiln Drying Rate
Tree Size
| Trunk diameter is 150-200 cm |
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| Tree height is 30-40 m |
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| Tree height is 40-50 m |
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| Trunk diameter is 100-150 cm |
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| Tree height is 10-20 m |
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The unbuttressed trees are reported to produce straight and cylindrical boles
Product Sources
Various species in the genus are reported to produce the timber known commercially as Sepetir.
Comments
Material loss during conversion is rather high because of the wide and unusable sapwood
Oily
Waste Factor
Blunting Effect
| Severe dulling effect on cutting edges |
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Boring
Carving
Cutting Resistance
| Easy to saw |
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| Difficult to saw |
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Mortising
Moulding
Movement in Service
| Small moverment after manufacture |
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| Good dimensional stability and shows little movement in use |
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Nailing
| Tends to split during nailing |
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| Pre-boring recommended |
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Planing
| Fairly Easy to Very Easy |
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| Woodworking properties usually vary |
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| Difficult to work in planing, turning, boring, another machining operations |
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| Cutting edges should be kept clean and sharp |
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| Clean, finished surfaces |
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| Can be planed to a smooth finish |
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Material from swampy locations are somewhat harder and heavier
Resistance to Impregnation
| Permeable heartwood |
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| Resistant heartwood |
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| Permeable sapwood |
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| Resistant sapwood |
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| Satisfactory preservative absorption and retention |
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| Difficult to treat with presevatives |
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Response to Hand Tools
| Easy to Work |
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| The operation requires sharp cutting edges for best results |
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Routing & Recessing
Sanding
Turning
Veneering Qualities
| Best figure display in veneers is achieved through rotary-cutting |
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Polishing
| Polishing properties improve considerably after surface treatment |
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Strength Properties
| Resists wearing, denting and marring fairly well |
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| Heavy |
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| Fairly hard |
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| Density=High |
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| Crushing strength = high |
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| Compression strength (parallel to grain) = high |
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| Bending strength in air-dried condition...is strong |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | 9654 | 14187 | psi |
| Density | | 42 | lbs/ft3 |
| Hardness | | 1529 | lbs |
| Maximum Crushing Strength | 4861 | 7669 | psi |
| Shearing Strength | | 1767 | psi |
| Stiffness | 1603 | 1908 | 1000 psi |
| Weight | 41 | 34. | lbs/ft3 |
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| Item | Green | Dry | Metric |
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| Bending Strength | 678 | 997 | kg/cm2 |
| Density | | 673 | kg/m3 |
| Hardness | | 693 | kg |
| Maximum Crushing Strength | 341 | 539 | kg/cm2 |
| Shearing Strength | | 124 | kg/cm2 |
| Stiffness | 112 | 134 | 1000 kg/cm2 |
References
Desch, H. E. 1957. Manual of Malayan Timbers - Volume I. Malayan Forest Records, No. 15. Malaysia Publishing House Ltd., Singapore.
HMSO. 1972. Handbook of Hardwoods, 2nd Edition. Revised by R.H. Farmer. Department of the Environment, Building Research Establishment, Princes Risborough Laboratory, Her Majesty's Stationery Office, London.
Keating, 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,1
Rendle, B.J. Editor. 1970. World Timbers, Volume Three - Asia & Australia & New Zealand. Published by Ernest Benn Limited, Bouverie House, Fleet Street, London.
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