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Blunting Effect
Carving
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Family Name
Gluing
Grain
Heartwood Color
Luster
Movement in Service
Nailing
Natural Durability
Numerical Data
Odor
Planing
Polishing
Product Sources
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Texture
Trade Name
Tree Size
Turning
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Common Names
East indian ebony, Ebone plaqueminier, Ebony persimmon, Kamagong, Kanran, Kaya arang, Kayu malam, Kukuo, Marblewood, Mgiriti, Msindi, Nyareti, Omenowa, Trayung
Regions of Distribution
Oceania and S.E. Asia
Countries of Distribution
[VIEW MAP]
India, Myanmar, Sri Lanka
Common Uses
Brush backs & handles, Carvings, Inlay work, Marquetry, Musical instruments , Piano keys, Pianos , Turnery
Environmental Profile
| Status unknown due to inadequate information |
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| Status has not been officially assessed |
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Distribution Overview
India and Sri Lanka. In India it is found in the hills of the Deccan and Carnatic, extending north to the Cuddapah and Kurnool districts. The species is widely scattered.
Heartwood Color
| Brown |
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| White |
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| Green/grey |
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| Grey brown |
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| Dark brown with black bands |
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Sapwood Color
| Brown |
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| White |
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| White to yellow |
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| Grey |
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| Frequently streaked with black |
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Grain
| Closed |
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| Even |
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| Figure |
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| Straight |
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| Irregular |
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| May be straight, irregular, or wavy |
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| Closed |
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Texture
The wood is very hard
Luster
Natural Durability
| Very durable |
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| Durable |
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| Moderately durable |
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| Resistant to termites |
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| Highly resistant to decay |
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Odor
| No specific smell or taste |
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Drying Defects
| Checking |
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| Splitting |
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| Distortion |
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| Wetwood may cause honeycomb, collapse and waterpockets |
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| Severe drying schedules may result in end and surface checking |
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Black portions are especially prone to checking
Ease of Drying
| Moderately Difficult to Difficult |
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| Requires care to minimize degrade |
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To minimize drying degrade, material should be converted into the smallest sizes possible, and should be well protected
Tree Size
| Tree height is 10-20 m |
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| Tree height is 20-30 m |
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The tree is relatively small
Product Sources
The principal source of Ebony timber in India, the tree is seldom harvested for export since it is rarely obtainable in sufficient sizes and quantities.
Blunting Effect
| High to severe |
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| Severe blunting effect on cutting surfaces |
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Carving
Cutting Resistance
| Fairly Difficult to Very Difficult to saw |
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Gluing
Movement in Service
Nailing
Planing
| Fairly Difficult to Very Difficult |
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| Very Good to Excellent Results |
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| Fair to Good Results |
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| High density makes wood difficult to plane and work |
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| Hard, heavy wood dulls cutting edges severely |
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| Difficult to plane |
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Black ebony is hard and brittle, and chips easily. It is difficult to work in planing and most operations, and tends to dull cutters severely since it is hard and heavy.
Resistance to Impregnation
| Highly resistant to preservative treatment |
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Response to Hand Tools
| Fairly Difficult to Difficult to Work |
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Turning
| Fair to Good Results |
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| Fairly Easy to Very Easy |
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| Very Good to Excellent Results |
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| Excellent |
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Polishing
| Fair to Good Results |
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| Very Good to Excellent Results |
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| Excellent results |
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Numerical Data
| Item | Green | Dry | English |
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| Bending Strength | | 18538 | psi |
| Maximum Crushing Strength | | 7237 | psi |
| Specific Gravity | 0.52 | 0.58 | |
| Volumetric Shrinkage | 15 | | % |
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| Item | Green | Dry | Metric |
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| Bending Strength | | 1303 | kg/cm2 |
| Maximum Crushing Strength | | 508 | kg/cm2 |
| Specific Gravity | 0.52 | 0.58 | |
References
Jackson, A. and D. Day. 1992. Good Wood Handbook - The Wood worker's Guide to Identifying, Selecting and Using the Right Wood. HarperCollins Publishers, London.
Kribbs, D.A. 1959. Commercial Foreign Woods on the American Market. Buckhout Lab., Dept. of Botany, The Pennsylvania State University, University Park, Pennsylvania.
Rendle, B.J. Editor. 1970. World Timbers, Volume Three - Asia & Australia & New Zealand. Published by Ernest Benn Limited, Bouverie House, Fleet Street, London.
Troup, R.S. 1909. Indian Woods and Their Uses. The Indian Forest Memoirs, Economic Products Series, Volume 1, No. 1. Superintendent, Government Printing, Calcutta, India.
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