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Black ebony
Black ebony (Diospyros ebenum)

Family: Ebenaceae

Common names: Abnus, Acha, Bale, Black ebony, Dumbi, Ebans, Ebony, Kakataki, Karemara, Karimaran, Karu, Karunthali, Karunthoverai, Kendhu, Mallali, Mushtimbe, Nallati, Nalluti, Shengutan, Tai, Tendu, Tuki, Tumbi, Tumiki

Distributed in: India, Sri Lanka (Oceania and S.E. Asia)

Distribution overview: Southern India and Sri Lanka, cultivated in Peninsular Malaysia. In India it isfound in the hills of the Deccan and Carnatic, extending north to the Cuddapah and Kurnool districts. Prefers dry forests. Grows as an understorey tree in mixed evergreen dry zone forests of Sri Lanka..

Common uses: Carvings, Inlay work, Musical instruments , Piano keys, Turnery

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.

Environment profile: Status unknown due to inadequate information

Tree size: Tree height is 10-20 m

Colors: the heart isJet black, Lustrous dark brown to blackand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureUniformand the lusterMetallic luster

Natural durability: Resistant to termites, Very durable

Odor: No specific smell or taste

Drying Defects: Severe drying schedules may result in end and surface checking, Wetwood may cause honeycomb, collapse and waterpockets

Ease of Drying: Requires care to minimize degrade

Blunting Effect: Severe blunting effect on cutting surfaces

Boring: Fairly difficult to very difficult

Carving: Very good results

Cutting Resistance: Easy to saw

Gluing: Fairly Easy to Very Easy

Mortising: Fairly Difficult to Very Difficult

Moulding: Fairly Difficult to Very Difficult

Movement in Service: Fairly Difficult to Very Difficult

Nailing: Fairly Difficult to Very Difficult, Pre-Boring Recommended

Planing: High density makes wood difficult to plane and work

Response to hand tools: Fairly Difficult to Difficult to Work

Routing recessing: Fairly Difficult to Very Difficult

Screwing: Fairly Difficult to Very Difficult, Pre-boring recommended; Turning: Very Good to Excellent Results

Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,84
Density kg/m3
Bending Strength kg/cm2
Crushing Strength kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Specific Gravity 0.84
Weight 72 59. lbs/ft3

Heavy
The wood is exceptionally heavy. It weighs much more than Hard maple or Teak in the green or seasoned condition.

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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