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Dhaman
Dhaman (Grewia elastica)

Family:

Common names: Bijol-goch, Bimla, Dhaman, Dhamma, Dieng-soh-langhri-that, Dieng-tha-ballich, Gonyer, Khengkhriwakbik, Kunsun, Laiman-phang, Man-bijal, Mikir-lata-phang, Pengtarow, Pharsanyi, Pharsawon, Pharsia, Pharson, Phuhura, Pintayo, Thai-a-dou

Distributed in: India, Malaysia, Myanmar (Oceania and S.E. Asia)

Distribution overview: One of about 30 species found in India. It grows in the sub-Himalayan tract from the Indus eastwards to Bengal, in Chota Nagpur, Madhya Pradesh, Assam and Burma at elevations of up to 3000 feet (900 m) above sea level.

Common uses: Beams, Billiard-cue butts, Bobbins, Building materials, Cooperages, Door, Furniture , Furniture components, Furniture squares or stock, Handles, Oars, Poles, Rustic furniture, Shafts/Handles, Shuttles, Specialty items, Textile equipment, Tool handles, Utility furniture, Vehicle parts, Windows

Environment profile: Status has not been officially assessed

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Whitishand the sapwoodWhite, Yellow.The grain isStraight, the textureMedium coarse to coarseand the lusterSomewhat lustrous

Natural durability: Resistant to termites, Susceptible to insect attack

Odor: Has an odor

Kiln Drying Rate: Slow

Drying Defects: End splitting, Warping can be expected

Ease of Drying: Slowly

Comments: Other Machining PropertiesThe timber is described as heavy, strong, very tough, and very hard.The timber responds readily to ordinary tools to yield clean surfaces, and is rather easy to work

Boring: Poor to very poor results

Carving: Fairly Easy to Very Easy

Cutting Resistance: Saws without difficulty

Mortising: Very Good to Excellent

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Planing: Very Good to Excellent

Resistance to Impregnation: Responds fairly well to preservative treatment

Response to hand tools: Responds Readily

Sanding: Very Good to Excellent Results

Screwing: Fair to Good Results, Very Good to Excellent Results; Turning: Very good

Polishing: Very Good to Excellent; Varnishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,57 0,63
Density 721 kg/m3
Bending Strength 755 1077 kg/cm2
Crushing Strength 70 112 kg/cm2
Hardness 805 kg
Impact Strength 139 162 cm
Shearing Strength 143 kg/cm2
Stiffness 117 144 1000 kg/cm2
Tangential Shrinkage 10 %
Radial Shrinkage 5 %
Weight 913 705 kg/m3
Maximum Load 0,84 1,19 cm-kg/cm3
Toughness cm-kg
Static Bending 418 612 kg/cm2
Item Green Dry English
Bending Strength 10741 15327 psi
Crushing Strength 1009 1607 psi
Density 45 lbs/ft3
Hardness 1776 lbs
Impact Strength 55 64 inches
Maximum Crushing Strength 5067 7811 psi
Shearing Strength 2036 psi
Static Bending 5958 8712 psi
Stiffness 1673 2049 1000 psi
Work to Maximum Load 12 17 inch-lbs/in3
Specific Gravity 0.57 0.63
Weight 57 44 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 10 %
Volumetric Shrinkage 16 %


Chowdhury, K.A. and S.S. Ghosh. 1963. Indian Woods - Their Identification, Properties and Uses, Volume II - Linaceae to Moringaceae. Published by the Manager of Publications, Delhi, India.Desch, H. E. 1954. Manual of Malayan Timbers - Volume II. Malayan Forest Records, No. 15. Malaya Publishing House Ltd., Singapore.Limaye, V.D.1954. Grouping of Indian Timbers and their Properties, Uses and Suitability. Indian Forest Records, New Series. Timber Mechanics, Vol. 1, No. 2, Forest Research Institute, Dehra Dun, India.Limaye, V.D. and B.R. Sen. 1953. Weights and Specific Gravities of Indian Woods. Indian Forest Records, New Series. Timber Mechanics, Vol. 1, No. 4, Forest Research Institute, Dehra Dun, India.Sekhar, A.C. and D.N. Bhatia.1957.Physical and Mechanical Properties of Woods Tested at Forest Research Institute, Report VIII.Indian Forest Records, New Series, Timber Mechanics, Volume 1, Number 9. The Manager of Publications, Delhi.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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