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Jhintang
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
Item Green Dry Metric
Specific Gravity 0,46 0,49
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 %
Radial Shrinkage 2 %
Weight 913 576 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
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.
*Come interpretare i dati (manleva su eventuali imprecisioni)