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Baga
Baga (Acacia catechu)

Family: Leguminosae

Common names: Baga, Black catechu, Cacciu, Cachu, Calto, Cutch tree, Indian acacia, Kadira, Kagli, Karan-galli, Karnagalli, Katechubaum, Ker, Kergli, Khair, Khayer, Khehiree, Kheriya baral, Khoira, Khoiru, Khuera, Koir, Lal-khair, Nalla sandra, Nya, Othalei, Pau-ferro, Rat kihiri, Sandra, Sha, Shaji, Shalein, Shemi, Sundra, Telle tumma, Tun-sa-se, Worthlay, Zunda

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

Distribution overview: Cutch is native to central and east Africa, southern Asia, Bhutan, Burma China (Guangdong, Guangxi Yunnan and southern Zhejiang), India, Myanmar, Nepal and Pakistan.

Common uses: Agricultural implements, Boat building (general), Boat building: framing, Boxes and crates, Cabinetmaking, Charcoal, Chemical derivatives, Food containers, Fuelwood, Furniture, Heavy construction, Light construction, Mine timbers, Poles, Posts, Railroad ties, Tool handles

Tree size: Tree height is 30-40 m

The grain isStraight, the textureMedium to coarseand the lusterMedium

Natural durability: Very durable, Very durable

Kiln Schedules: Dry at a slow speed

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Moderate end spitting, Splitting

Ease of Drying: Slowly

Comments: General finishing qualities are rated as good

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Response to hand tools: Fairly Difficult to Difficult to Work

Turning: Very Good to Excellent Results

Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 929 kg/m3
Bending Strength 954 1473 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness 1192 kg
Impact Strength 101 cm
Shearing Strength 200 kg/cm2
Stiffness 152 175 1000 kg/cm2
Tangential Shrinkage 4 %
Radial Shrinkage 2 %
Weight 913 753 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 13576 20956 psi
Density 58 lbs/ft3
Hardness 2628 lbs
Impact Strength 40 inches
Maximum Crushing Strength 6899 9945 psi
Shearing Strength 2847 psi
Stiffness 2167 2494 1000 psi
Weight 57 47 lbs/ft3
Radial Shrinkage 2 %
Tangential Shrinkage 4 %
Volumetric Shrinkage 6 %

Shrinkage, Tangential = very small
Shrinkage, Radial = very small
Shearing strength (parallel to grain) = high
Modulus of Elasticity (stiffness) = high
Max. crushing strength = high
Bending strength (MOR) = high
Shrinkage, Volumetric = small
Toughness-Hammer drop (Impact strength) = medium
Hardness (side grain)= hard
Hardness (side grain) = very hard
Density (dry weight) = 61 - 67 lbs/cu. ft
Density (dry weight)= 53 - 60 lbs/cu. ft

Bakshi, B.K., Et al,1961,A Note on Decay Resistance of Teak, Shisham and Khair,Indian Forester 87(1) pp40-1Forest Research Institute, Dehra Dun,1973,Indian Timbers - Khair,Forest Research Institute and Colleges, Dehru Dun Information Series No.12Freitas, M.C.P.G. de,1963,Maderas da India Portuguesa,Lisbon Mem. Junta de Invest. do Ultramar,No.47Limaye, V.D.,1957,Grouping of Indian Timbers and Their Properties, Uses and Suitability.,Indian Forest Records (N.S. Timber Mechanics Vol.1 No.2)Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 volsPurushotam, A., Et al,1953,Wood Preservation in India (past, present and future,Indian Forest Bulletin (N.5, 168Ramesh, Rao K., Purkayastha, S.K.,1972,Indian Woods - Their Identification Properties and Uses,Dehra Dun India,Vol. 3Rawat, B.S., Rawat, N.S.,1960,Physical and Mechanical properties of woods tested at the Forest Research,Institute, Dehra Dun Report XI,Indian Forestry Records (NS) Timber Mechanics 1(12)Sial, N.M.,1955,A review of Acacia catechu and its products with particular reference to,Pakistan,Pakistan Journal of Forestry 5(1) pp23-32Streets, R.J.,1962,Exotic Forest Trees in the British Commonwealth,Clarendon Press OxfordTewari, M.C., Jain, J.C.,1980,Utilization of Secondary Species,Journal of the National Building Organization 25(2) pp1-6
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