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Balocbaloc
Balocbaloc (Pongamia pinnata)

Family: Papilionaceae

Common names: Balocbaloc, Bani, Bonge, Charr, Dalkaramcha, Darkaranja, Gangaji, Ganuga, Garanju, Haedem, Hungay, Indian beech, Karach, Karana, Karanga, Karangi, Karanja, Karcha, Karchaw, Kerum, Kiramal, Kuruini, Malapari, Marabahai, Mempari, Naktamala, Papar, Pitagoria, Ponga, Pongam, Pongu, Poonga oil plant, Thinwin, Ungu, Vesivesi

Distributed in: Australia, Burma, China, Fiji [Polynesia], India, Indonesia, Japan, Malaysia, Philippines, Solomon Islands, Sri Lanka (Oceania and S.E. Asia)

Common uses: Agricultural implements, Boat building (general), Cabinetmaking, Fuelwood, Furniture, Light construction, Tool handles, Vehicle parts, Wheel spokes, Wheels

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isYellow, Yellow to golden-yellow to orangeand the sapwoodWhite, Yellow.The grain isMottled figure, the textureMediumand the lusterSlightly lustrous

Natural durability: Susceptible to attack from termites (Isoptera), Susceptible to insect attack

Drying Defects: Severe end splitting, Severe twisting/warping

Ease of Drying: Moderately Difficult to Difficult

Cutting Resistance: Easy to saw

Nailing: Fairly Easy to Very Easy, Very Good to Excellent

Planing: Very Good to Excellent

Response to hand tools: Easy to machine


Polishing: Fair to Good; Staining: Staining (Characteristic) = coloured water-soluble extract ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 785 kg/m3
Bending Strength 542 849 kg/cm2
Crushing Strength 200 345 kg/cm2
Hardness 1051 kg
Impact Strength 119 cm
Shearing Strength 155 kg/cm2
Stiffness 94 109 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 4 %
Weight 769 608 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 7711 12078 psi
Density 49 lbs/ft3
Hardness 2318 lbs
Impact Strength 47 inches
Maximum Crushing Strength 2850 4909 psi
Shearing Strength 2205 psi
Stiffness 1341 1560 1000 psi
Weight 48 38 lbs/ft3
Radial Shrinkage 4 %
Tangential Shrinkage 9 %

Density (dry weight) = 46-52 lbs/cu. ft.
Max. crushing strength = low
Toughness-Hammer drop (Impact Strength) = medium
Toughness-Hammer drop (Impact Strength) = high
Shrinkage, Tangential = fairly large
Shrinkage, Radial = moderate
Modulus of Elasticity (stiffness) = very low
Modulus of Elasticity (stiffness) = medium
Max. crushing strength = medium
Density (dry weight) = 53-60 lbs/cu. ft
Bending strength (MOR) = medium
Bending strength (MOR) = low
Shearing strength (parallel to grain) = medium
Hardness (side grain) = hard

Bourdillon, T.F.,1908,The Forest Trees of Travancore,Travancore Government PressBrowne, F.G.,1955,Forest Trees of Sarawak and Brunei and their Products.,Government Printing Office, Kuching, SarawakBurgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15E.H. Walker,1954,Important Trees of the Ryukyu Islands,United States Civil Administration of the Ryukyu Islands Special Bulletin,No. 3Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. LondonGhana - Timber Marketing Board,1969,Ghana Hardwoods,Timber Marketing BoardMathauda, G.S.,1955,Pongamia pinnata (L) Pierre (syn. Pongamia glabra Vent,Family -,Leguminosae - Papilionoae,Indian Forester 81(9) pp563-5McCann, C.,1947,Trees of India: A Popular Handbook,D.B.Taraporevala Sons & Co. BombayNazma,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 volsRamesh, Rao K., Purkayastha, S.K.,1972,Indian Woods - Their Identification Properties and Uses,Dehra Dun India,Vol. 3Rocafort, J.E., Et al,1971,Fourth Progress Report on the Specific Gravity of Philippine Woods,(Reprint From) Philippine Architecture Engineering and Construction Record,No.5 pp17-27Whitmore, T.C. (Ed.,1972,Tree Flora of Malaya A Manual for Foresters Volume 1,Forest Department Ministry of Agriculture and Lands Malaysia
*Come interpretare i dati (manleva su eventuali imprecisioni)