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Boring
Carving
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Environmental Profile
Grain
Heartwood Color
Kiln Drying Rate
Luster
Mortising
Moulding
Movement in Service
Natural Durability
Numerical Data
Odor
Planing
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sanding
Sapwood Color
Scientific Name
Screwing
Texture
Trade Name
Tree Size
Turning
Varnishing

Scientific Name
Grewia elastica

Trade Name
Dhaman

Family Name

Wood Image 1

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

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
India, Malaysia, Myanmar

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

Environmental Profile
Status has not been officially assessed


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.

Heartwood Color
Red
Brown
Pink
Black
Purple
Green/grey
Whitish
Greenish to greyish

The wood is described as grayish-white in color, often with darker streaks

Sapwood Color
White
Yellow
Brown


Grain
Even
Straight

Generally straight, but not always


Texture
Medium
Medium coarse to coarse


Luster
Low
Somewhat lustrous


Natural Durability
Durable
Resistant to termites
Susceptible to insect attack
Moderately durable
Non-resistant to powder post beetles
Resistant to powder post beetles


The timber has moderate resistance to decay under cover. Seasoned wood is readily attacked by wood boring insects

Odor
Has an odor
Has a taste


Drying Defects
Distortion
Warping can be expected
End splitting
Checking


Ease of Drying
Slowly
Reconditioning Treatement
Little degrade
Requires care

Green conversion and open-stacking under cover are recommended for satisfactory results during air-seasoning

Kiln Drying Rate
Naturally dries slowly
Drying rate is slow
Slow


Tree Size
Tree height is 30-40 m
Tree height is 20-30 m
Tree height is 10-20 m
Bole length is 10-20 m
Trunk diameter is 100-150 cm
Tree height is 0-10 m


Comments
Other Machining Properties

The 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
Fairly easy to very easy
Poor to very poor results
Fairly difficult to very difficult
Fair to good results


Carving
Fair to Good Results
Fairly Easy to Very Easy


Cutting Resistance
Easy to saw
Saws without difficulty


Mortising
Fair to Good Results
Very Good to Excellent Results
Fairly Easy to Very Easy


Moulding
Fair to Good Results
Fairly Easy to Very Easy


Movement in Service
Excellent Stability - Small Movement
Fair to Good Stability - Medium Movement


Planing
Fair to Good Results
Very Good to Excellent Results
Fairly Easy to Very Easy


Resistance to Impregnation
Resistant heartwood
Resistant sapwood
Permeable sapwood
Responds fairly well to preservative treatment


Response to Hand Tools
Easy to Work
Responds Readily


Sanding
Very Good to Excellent Results
Fair to Good Results
Fairly Easy to Very Easy


Screwing
Very Good to Excellent Results
Fair to Good Results


Turning
Fair to Good Results
Very Good to Excellent Results
Fairly Easy to Very Easy
Very good

Turning qualities are very good, and turned surfaces are often clean.

Polishing
Fair to Good Results
Very Good to Excellent Results


Varnishing
Very Good to Excellent Results
Fair to Good Results
Fairly Easy to Very Easy


Numerical Data
ItemGreenDryEnglish
Bending Strength1074115327psi
Crushing Strength10091607psi
Density45lbs/ft3
Hardness1776lbs
Impact Strength5564inches
Maximum Crushing Strength50677811psi
Shearing Strength2036psi
Static Bending59588712psi
Stiffness167320491000 psi
Work to Maximum Load1217inch-lbs/in3
Specific Gravity0.570.63
Weight5744lbs/ft3
Radial Shrinkage5%
Tangential Shrinkage10%
Volumetric Shrinkage16%
ItemGreenDryMetric
Bending Strength7551077kg/cm2
Crushing Strength70112kg/cm2
Density721kg/m3
Hardness805kg
Impact Strength139162cm
Maximum Crushing Strength356549kg/cm2
Shearing Strength143kg/cm2
Static Bending418612kg/cm2
Stiffness1171441000 kg/cm2
Work to Maximum Load0.841.19cm-kg/cm3
Specific Gravity0.570.63
Weight913705kg/m3
Radial Shrinkage5%
Tangential Shrinkage10%

References
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.