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Clicking any heading in the main data area (at right) will scroll the page back to this top position. Use the following links to jump to the associated section in the main data. Blunting Effect Boring Carving Certified Source Comments Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Family Name Gluing Grain Heartwood Color Kiln Drying Rate Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Painting Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sapwood Color Scientific Name Screwing Staining Steam Bending Strength Properties Texture Trade Name Tree Size Turning Varnishing Veneering Qualities Scientific Name Lagerstroemia calyculata Trade Name Banglang Family Name Lythraceae Common Names Banglang, Leza-byu, Tabaek, Tabek Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Burma, India Common Uses Boat building: framing, Flooring, Furniture, Heavy construction, Oars, Poles, Shingles, Structural work, Tool handles, Walking sticks Heartwood Color Red Brown Purple Green/grey Pink Yellow to golden-yellow to orange Reddish brown Pale red to pink Pale brown Greenish to greyish Dark brown Sapwood Color Yellow White Brown Pink White to yellow Different than heartwood Grain Even Closed Interlocked Straight Wavy Wavy Straight Interlocked Texture Fine Medium Even or uniform Coarse Medium Medium coarse to coarse Luster Low Lustrous Natural Durability Moderately durable Durable Very durable Susceptible to insect attack Non-durable Non-resistant to marine borers Resistant to powder post beetles Non durable Durable Drying Defects Distortion Splitting Loose Knots Checking Severe twisting/warping Severe end splitting Ease of Drying Fairly Easy Moderately Difficult to Difficult Rapidly Slowly Kiln Drying Rate Naturally dries quickly Naturally dries at a moderate speed Naturally dries slowly Tree Size Trunk diameter is 100-150 cm Tree height is 40-50 m Tree height is 30-40 m Tree height is 20-30 m Bole length is 20-30 m Bole length is 40-50 m Bole length is 30-40 m Trunk diameter is 150-200 cm Certified Source Certified Source Comments General finishing qualities are rated as poor Blunting Effect Moderate High to severe Boring Fair to good results Fairly difficult to very difficult Carving Fair to Good Results Fairly Difficult to Very Difficult Cutting Resistance Moderate to saw Fairly Difficult to Very Difficult to saw Easy to saw Cutting Resistance with dry wood is easy Gluing Fairly Easy to Very Easy Mortising Fair to Good Results Fairly Difficult to Very Difficult Moulding Fair to Good Results Fairly Difficult to Very Difficult Movement in Service Excellent Stability - Small Movement Fair to Good Stability - Medium Movement Nailing Fairly Easy to Very Easy Fair to Good Results Fairly Difficult to Very Difficult Pre-Boring Recommended Very Good to Excellent Results Poor to Very Poor Results Planing Fair to Good Results Fairly Difficult to Very Difficult Planes to a poor finish Resistance to Impregnation Resistant heartwood Resistant sapwood Response to Hand Tools Easy to Work Fairly Difficult to Difficult to Work Responds Readily Difficult to machine Routing & Recessing Fair to Good Results Fairly Difficult to Very Difficult Screwing Pre-boring recommended Fairly Difficult to Very Difficult Turning Fair to Good Results Fairly Difficult to Very Difficult Veneering Qualities Veneers easily Suitable for peeling Veneers moderately easy Difficult to veneer No drying degrade Steam Bending Fair to Good Results Painting Fair to Good Results Very Good to Excellent Results Fairly Easy to Very Easy Polishing Good results Staining Fair to Good Results Very Good to Excellent Results Fairly Easy to Very Easy Varnishing Fair to Good Results Fairly Easy to Very Easy Strength Properties Shearing strength (parallel to grain) = medium Density (dry weight) = 53 - 60 lbs/cu. ft. Density (dry weight) = 46-52 lbs/cu. ft. Modulus of Elasticity (stiffness) = medium Modulus of Elasticity (stiffness) = low Max. crushing strength = medium Max. crushing strength = high Hardness (side grain) = soft Hardness (side grain) = medium Bending strength (MOR) = medium Bending strength (MOR) = high Numerical Data Item Green Dry English Bending Strength 11442 17761 psi Density 51 lbs/ft3 Hardness 1326 lbs Maximum Crushing Strength 5408 8171 psi Shearing Strength 2205 psi Stiffness 1511 1745 1000 psi Weight 50 40 lbs/ft3 Item Green Dry Metric Bending Strength 804 1248 kg/cm2 Density 817 kg/m3 Hardness 601 kg Maximum Crushing Strength 380 574 kg/cm2 Shearing Strength 155 kg/cm2 Stiffness 106 122 1000 kg/cm2 References Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison. Keating, W.G., Bolza, E.,1982,Characteristics properties and uses of timbers. South East Asia, Northern,Australia and the Pacific,C.S.I.R.O. Div. Chemical Technology,Inkata Press,1 Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 vols Sono, P.,1974,Merchantable Timbers of Thailand.,Forest Products Research Division, Royal Forest Department, Bangkok,,Thailand. Suvarnasuddhi, K.,1950,Some Commercial Timbers of Thailand - Their Properties and Uses,Royal Forest Department, Thailand