Jhintang (Lannea grandis)
Family: Anacardiaceae
Common names: Bara dabdabbi, Dichang, Doka, Dope, Dowka, Dowka gia, Dumper, Dumpini, Dumpri, Garja, Genjan, Gharri, Ginyan, Gob, Godda, Gojal, Gol, Gumpani, Gumpina, Gumpini, Gumpna, Gumpri, Gunj, Gupri marra, Halloray, Hik, Hnabe, Hneingpyoing, Holloray, Jhingam, Jhingan, Jhintang, Jigna, Jir, Jiyal, Kaikra, Kaimal, Kalasan, Kalash, Kalay, Kamlai, Kashmala, Kekeda, Kiamil, Kimul, Kolandu, Laupe, Lohar bhadi, Lokar bhadi, Mai-hkam, Moee, Mohi, Mohin, Mohni, Mohwai, Moi, Moja, Mowai, Mowen, Moyal, Moyan, Moye, Moyen, Moyna, Nabe, Odi, Oichang, Parmi, Punil, Shembat, Shimbat, Shimti, Udi, Urisa, Uthi, wede, Wodier
Distributed in: Bangladesh, Burma, India, Myanmar, Sri Lanka (Oceania and S.E. Asia)
Distribution overview: Found in the deciduous forests in many parts of India and Burma, and also in the Andamans.
Common uses: Agricultural implements, Boat building (general), Boat building, Boxes and crates, Brush backs & handles, Building construction, Building materials, Cabinetmaking, Canoes, Carvings, Chemical derivatives, Construction, Cooperages, Food containers, Fuelwood, Furniture , Furniture components, Furniture squares or stock, Furniture, Heavy construction, Light construction, Matchboxes, Matches, Mine timbers, Packing cases, Planks, Plywood, Poles, Posts, Pulp/Paper products, Pulpwood, Sporting Goods, Textile equipment, Tool handles, Turnery, Utility furniture, Vehicle parts, Wheel spokes
Environment profile: Status has not been officially assessed
Tree size: Tree height is 10-20 m
The tree is described as a moderate-sized or large deciduous tree.
Colors: the heart isPale red to pink, Yellowand the sapwoodPale colored, Very wide .The grain isStraight, the textureStright and closed and the lusterPronounced
Natural durability: Susceptible to attack from powder post (Lyctid & Bostrychid) beetles, Very low natural resistance to decay and attack by termites
Odor: No specific smell or taste
Kiln Schedules: Kiln Drying Rate (in days) is slow
Kiln Drying Rate: Very slow (>28 days for boards < 32 mm, to >84 days for boards >= 63 mm)
Drying Defects: Moderate cupping, Moderate twist/warp
Ease of Drying: Variable results.
Comments: General finishing qualities are rated as satisfactory
Cutting Resistance: Cutting resistance with dry wood is variable
Planing: Difficult to plane
Resistance to Impregnation: Heartwood is highly resistant
Penetration and absorbtion of preservatives are negligible.
Response to hand tools: Variable qualities
Turning: Easy to turn
Polishing: Satisfactory;
- Numerical data Metric
- Numerical data English
- Strength properties
- References
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Item |
Green |
Dry |
Metric |
Specific Gravity |
0,46 |
0,49 |
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Density |
|
592 |
kg/m3 |
Bending Strength |
429 |
674 |
kg/cm2 |
Crushing Strength |
200 |
345 |
kg/cm2 |
Hardness |
|
451 |
kg |
Impact Strength |
|
48 |
cm |
Shearing Strength |
|
73 |
kg/cm2 |
Stiffness |
85 |
99 |
1000 kg/cm2 |
Tangential Shrinkage |
6 |
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% |
Radial Shrinkage |
2 |
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% |
Weight |
913 |
576 |
kg/m3 |
Maximum Load |
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cm-kg/cm3 |
Toughness |
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cm-kg |
Static Bending |
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kg/cm2 |
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| | | | Item | Green | Dry | English | Bending Strength | 6111 | 9589 | psi | Density | | 37 | lbs/ft3 | Hardness | | 995 | lbs | Impact Strength | | 19 | inches | Maximum Crushing Strength | 2850 | 4909 | psi | Shearing Strength | | 1052 | psi | Stiffness | 1222 | 1420 | 1000 psi | Specific Gravity | 0.46 | 0.49 | | Weight | 57 | 36 | lbs/ft3 | Radial Shrinkage | 2 | | % | Tangential Shrinkage | 6 | | % | Volumetric Shrinkage | 8 | | % | |
Bending strength (MOR) = low Shearing strength (parallel to grain) = very low Modulus of Elasticity (stiffness) = low Max. crushing strength = low Toughness-Hammer drop (Impact Strength) = very low Shrinkage, Tangential = small Shrinkage, Radial = very small Modulus of Elasticity (stiffness) = very low Max. crushing strength = medium Hardness (side grain) = soft Density (dry weight) = 67-75 lbs/cu. ft Toughness-Hammer drop (Impact Strength) = low Shrinkage, Volumetric = small Shearing strength (parallel to grain) = low
Anon,1963,Indian Woods: Their Identification, Properties and uses. Vol.II Linaceae,to Moringaceae,Manager of Publications, Delhi, IndiaBourdillon, T.F.,1908,The Forest Trees of Travancore,Travancore Government PressCox, C.E.C.,1921,Note on Odina wodier Roxb,Indian Forest Bulletin (N.S.) No.43Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. LondonKadambi, K.,1950,Lannea grandis Engler,Indian Forester 76(12) pp529-38Limaye, V.D. 1954. Grouping of Indian Timbers and Their Properties, Uses, and Suitability. Indian Forest Records (New Series). Timber Mechanics. Volume 1 No. 2. Manager of Publications (Publisher, DelhiLimaye, V.D. and B.R. Sen. 1953. Weights and Specific Gravities of Indian Woods. Indian Forest Records (New Series). Timber Mechanics. Volume 1 No. 4. Manager of Publications (Publisher, Delhi.Limaye, V.D.,1933,The Physical and Mechanical Properties of woods grown in India (Third,Interim Report on Project 1,Indian Forest Records,18(10,pp1-70Nair, P.V., Punnoose, T.V.,1950,Studies in the chemistry and utilization of Travancore minor forest,products Part IV Odina wodier Bark.,Bulletin Central Research Institute, University of Travancore, India,(Series A) 1(1) pp87-102Nazma,1981,A handbook of Kerala Timbers,Kerala Forest Research Institute Research Report, No.9Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 volsSekhar, A.C., Rana, R.S.,1965,A note on mechanical and physical properties of Lannea coromandelica,(Jhingan) from Chiltorgarh, Rajasthar,Indian Forester 91(12) pp870-1Sweet, C.V.,1922,Further experiments in the air-seasoning of Indian timbers and general,recommendations as to seasoning methods.,Indian Forest Records IX part V, Delhi, IndiaTewari, M.C., Jain, J.C.,1980,Utilization of Secondary Species,Journal of the National Building Organization 25(2) pp1-6Troup, 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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