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Blunting Effect
Comments
Common Names
Common Uses
Countries of Distribution
Cutting Resistance
Distribution Overview
Drying Defects
Ease of Drying
Family Name
Grain
Heartwood Color
Kiln Drying Rate
Kiln Schedules
Luster
Natural Durability
Numerical Data
Polishing
References
Regions of Distribution
Resistance to Impregnation
Response to Hand Tools
Sapwood Color
Scientific Name
Strength Properties
Synonyms
Texture
Toxicity
Trade Name
Tree Identification
Tree Size

Scientific Name
Albizia odoratissima

Trade Name
Bansa

Family Name
Leguminosae

Synonyms
Mimosa odoratissima


Wood Image 1

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

Regions of Distribution
Oceania and S.E. Asia

Countries of Distribution  [VIEW MAP]
Bangladesh, Burma, India, Pakistan, Sri Lanka

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

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.

Heartwood Color
Brown
Red
Black
Dark brown
Pale brown
Brown


Sapwood Color
White
Yellow
White to yellow
Clearly differentiated from the heartwood


Grain
Interlocked
Straight
Figure
Closed
Even
Wavy
Growth rings (figure)
Distinct (figure)

Interlocked
Generally straight, but not always
Wavy
Distinct figure
Clear growth rings (figure)


Texture
Coarse
Coarse


Luster
Medium
Lustrous


Natural Durability
Moderately durable
Very durable
Perishable
Non-durable
Non-resistant to powder post beetles
Susceptible to insect attack
Moderately durable
Very durable
Susceptible to attack from powder post (Lyctid & Bostrychid) beetles
Non durable


Toxicity
Non-toxic


Kiln Schedules
Kiln Drying Rate (in days) is fairly rapid
Dry at a moderate speed


Drying Defects
Splitting
Distortion
Checking
Slight twist/warp
Slight end splitting
Moderate twist/warp
Moderate surface checking
Moderate end spitting


Ease of Drying
Fairly Easy
Slowly
Easy


Kiln Drying Rate
Naturally dries at a moderate speed
Drying rate is fairly rapid to fast
Fairly rapid (11-17 days for boards under 32 mm, to 31-51 days for boards greater than 63 mm)


Tree Identification
Bole/stem form is straight
Bole/stem form is cylindrical


Tree Size
Tree height is 20-30 m
Tree height is 10-20 m
Bole length is 10-20 m
Bark width is 25-30 mm
Bark width is 5-10 mm
Trunk diameter is 100-150 cm


Comments
General finishing qualities are rated as good

General finishing qualities are rated as Poor

Blunting Effect
High to severe
Moderate
Blunting effect on machining is severe
Blunting effect on machining is moderate
Blunting effect on machining is fairly severe


Cutting Resistance
Fairly Difficult to Very Difficult to saw
Cutting Resistance with dry wood is difficult


Resistance to Impregnation
Resistant heartwood
Resistant sapwood
Heartwood is resistant


Response to Hand Tools
Fairly Difficult to Difficult to Work
Easy to Work
Difficult to machine
Easy to machine


Polishing
Fair to Good Results
Very Good to Excellent Results
Satisfactory results
Good results


Strength Properties
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

Numerical Data
ItemGreenDryEnglish
Bending Strength1272219678psi
Density47lbs/ft3
Impact Strength40inches
Maximum Crushing Strength752610673psi
Stiffness186621511000 psi
Weight4638lbs/ft3
Radial Shrinkage2%
Tangential Shrinkage6%
Volumetric Shrinkage6%
ItemGreenDryMetric
Bending Strength8941383kg/cm2
Density753kg/m3
Impact Strength101cm
Maximum Crushing Strength529750kg/cm2
Stiffness1311511000 kg/cm2
Weight737608kg/m3
Radial Shrinkage2%
Tangential Shrinkage6%

References
Bourdillon, T.F.,1908,The Forest Trees of Travancore,Travancore Government Press

Brown, W.H.,1978,Timbers of the World, No. 3 Southern Asia,TRADA, Red Booklet Series

Carrapiett, J.B.,1960,Notes on ornamental timbers of Burma,Burmese Forester,10(1,pp37-53

Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. London

Howard, 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.9

Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 vols

Ramesh, Rao K., Juneja, K.B.S.,1971,Field Identification of Fifty Important timbers of India,Dehra Dun India

Ramesh, Rao K., Purkayastha, S.K.,1972,Indian Woods - Their Identification Properties and Uses,Dehra Dun India,Vol. 3

Tewari, M.C., Jain, J.C.,1980,Utilization of Secondary Species,Journal of the National Building Organization 25(2) pp1-6









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