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Burma lancewood
Burma lancewood (Homalium tomentosum)

Family: Flacourtiaceae

Common names: Burma lancewood, Khanang, Mai-kan-ang, Moulmein lancewood, Myaukchaw, Myaukngo, Myaukrigo, Ob, Thewalaw

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

Common uses: Agricultural implements, Boat building (general), Fishing rods, Fuelwood, Furniture, Heavy construction, Light construction, Marine construction, Poles, Railroad ties, Sporting Goods, Turnery, Vehicle parts

Environment profile: Vulnerable

Colors: the heart isReddish brown, Yellow to golden-yellow to orangeand the sapwoodBrown, Red.The grain isStraight, the textureFineand the lusterDull

Natural durability: Perishable, Very durable

Kiln Schedules: Dry at a slow speed

Drying Defects: Severe end splitting, Severe surface checking

Ease of Drying: Slowly

Comments: General finishing qualities are rated as good

Blunting Effect: Blunting effect on sawing dry wood is severe

Boring: Fairly easy to very easy

Carving: Fairly Easy to Very Easy

Cutting Resistance: Easy to saw

Mortising: Very Good to Excellent

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Poor to Very Poor , Pre-Boring Recommended

Planing: Planes well, to a good finish

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Sanding: Fairly Easy to Very Easy

Turning: Good results

Polishing: Satisfactory;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density kg/m3
Bending Strength 894 1383 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness 1098 kg
Impact Strength 119 cm
Shearing Strength 181 kg/cm2
Stiffness 124 143 1000 kg/cm2
Tangential Shrinkage 8 %
Radial Shrinkage 3 %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 12722 19678 psi
Hardness 2421 lbs
Impact Strength 47 inches
Maximum Crushing Strength 6899 9945 psi
Shearing Strength 2575 psi
Stiffness 1765 2037 1000 psi
Radial Shrinkage 3 %
Tangential Shrinkage 8 %
Volumetric Shrinkage 15 %

Max. crushing strength = high
Hardness (side grain) = hard
Modulus of Elasticity (stiffness) = medium
Bending strength (MOR) = high
Shearing strength (parallel to grain) = very high
Shearing strength (parallel to grain) = medium
Shearing strength (parallel to grain) = high
Toughness-Hammer drop (Impact Strength) = medium
Toughness-Hammer drop (Impact Strength) = high
Shrinkage, Volumetric = large
Shrinkage, Tangential = very small
Shrinkage, Tangential = large
Shrinkage, Tangential = fairly large
Shrinkage, Radial = very small
Shrinkage, Radial = moderate
Shrinkage, Radial = fairly large
Shearing strength (parallel to grain) = low
Modulus of Elasticity (stiffness) = high
Hardness (side grain) = very hard
Bending strength (MOR) = medium

Burgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6Chowdhury, K.A., Ghosh, S.S.,1958,Indian Woods: Their identification, properties and uses Vol. I,Dilleruaceae to Elaeocarpaceae,Manager of Publications, Delhi, IndiaChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Clifford, N.,1957,Timber Identification for the Builder and Architect,Leonard Hill (Books) LTD. LondonDesch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15Gamble, 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.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,pp1-70Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 volsSono, P.,1974,Merchantable Timbers of Thailand.,Forest Products Research Division, Royal Forest Department, Bangkok,,Thailand.Titmuss, F.H.,1965,Commercial Timbers of the World,Technical Press Ltd., London, 3rd edition
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