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Bansa
Bansa (Albizia odoratissima)

Family: Leguminosae

Common names: Bansa, Bas, Bassein, Bersa, Bhandir, Billiwar, Bilwara, Black siris, Borhi, Chichalda, Chichanda, Chichola, Chichua, Chichwa, Chinduga, Chittilei vagei, Ginnera, Godhunchi, Jati-koroi, Kal-thuringi, Kala siris, Kala-siris, Kalei, Kali harreri, Kani vagei, Kar vaghe, Karambru, Karu vage, Karu vagei, Khang, Koroi, Kunnivga, Lasrin, Mara, Moroi, Nelli vaga, Nellivaga, Polach, Ponnai murankai, Puli vaga, Pullibaghi, Sedong, Sela vanjai, Shinduga, Siran, Siris, Solomanim, Suriya mara, Telsu, Tetura, Thit-pyu, Thitmagyi, Thitpyu, Yerjoohetta, Yerjuchinta

Distributed in: Bangladesh, Burma, India, Pakistan, Sri Lanka (Oceania and S.E. Asia)

Distribution overview: Albizia odoratissima occurs naturally in Southern China, Burma, Peninsula India, and Tropical Africa. Under tropical conditions the species is not gregarious. It is frequently found on hill slopes and sometimes in valleys.

Common uses: Agricultural implements, Boat building (general), Boxes and crates, Bridge construction, Cabinetmaking, Carvings, Cooperages, Furniture, Heavy construction, Joinery, Light construction, Mathematical instruments, Millwork, Mine timbers, Paneling, Plywood, Poles, Railroad ties, Tool handles, Turnery, Vats, Vehicle parts, Veneer: decorative, Wheel spokes, Wheels

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isPale brown, Redand the sapwoodWhite to yellow, Yellow.The grain isWavy, the textureCoarseand the lusterMedium

Natural durability: Very durable, Very durable

Kiln Schedules: Kiln Drying Rate (in days) is fairly rapid

Kiln Drying Rate: Naturally dries at a moderate speed

Drying Defects: Slight twist/warp, Splitting

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good General finishing qualities are rated as Poor

Blunting Effect: Moderate

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Fairly Difficult to Difficult to Work


Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 753 kg/m3
Bending Strength 894 1383 kg/cm2
Crushing Strength 529 750 kg/cm2
Hardness kg
Impact Strength 101 cm
Shearing Strength kg/cm2
Stiffness 131 151 1000 kg/cm2
Tangential Shrinkage 6 %
Radial Shrinkage 2 %
Weight 737 608 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 12722 19678 psi
Density 47 lbs/ft3
Impact Strength 40 inches
Maximum Crushing Strength 7526 10673 psi
Stiffness 1866 2151 1000 psi
Weight 46 38 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 6 %
Volumetric Shrinkage 6 %

Max. crushing strength = high
Bending strength (MOR) = high
Shrinkage, Tangential = small
Shrinkage, Radial = very small
Shrinkage, Volumetric = small
Density (dry weight) = 46-52 lbs/cu. ft.
Bending strength (MOR) = medium
Toughness-Hammer drop (Impact Strength) = medium

Bourdillon, T.F.,1908,The Forest Trees of Travancore,Travancore Government PressBrown, W.H.,1978,Timbers of the World, No. 3 Southern Asia,TRADA, Red Booklet SeriesCarrapiett, J.B.,1960,Notes on ornamental timbers of Burma,Burmese Forester,10(1,pp37-53Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. LondonHoward, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.Nazma,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., Juneja, K.B.S.,1971,Field Identification of Fifty Important timbers of India,Dehra Dun IndiaRamesh, Rao K., Purkayastha, S.K.,1972,Indian Woods - Their Identification Properties and Uses,Dehra Dun India,Vol. 3Tewari, M.C., Jain, J.C.,1980,Utilization of Secondary Species,Journal of the National Building Organization 25(2) pp1-6
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