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. Comments Common Names Common Uses Countries of Distribution Cutting Resistance Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Grain Heartwood Color Luster Movement in Service Natural Durability Numerical Data Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Strength Properties Texture Trade Name Tree Size		Scientific Name Sterculia conwentzii Trade Name New Guinea Sterculia Family Name Sterculiaceae Common Names New Guinea Sterculia Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Indonesia, Malaysia, Philippines Common Uses Blinds, Boxes and crates, Building materials, Core Stock, Decorative veneer, Figured veneer, Interior construction, Interior trim, Millwork, Moldings, Packing cases, Paneling , Plain veneer, Shutters, Sills, Trimming, Veneer, Wainscotting, Windows Environmental Profile Status has not been officially assessed Distribution Overview Several species in the genus Sterculia are distributed in the Malay Peninsula, Philippines, and other areas in southeast Asia. Heartwood Color Yellow Brown Orange Red Green/grey White to cream Material is discolored to a silver gray or light brown when stained Light brown Sapwood Color White Yellow Brown Red Same as heartwood Grain Even Straight Straight Texture Fine Spongy heart may be present. Coarse Luster Medium Natural Durability Durable Very durable Susceptible to insect attack Resistant to powder post beetles Heatwood deteriorates rapidly in contact with ground Heartwoood susceptible to beetle attack Drying Defects Splitting Ease of Drying Stains easily Despite staining, timber seasons well Tree Size Trunk diameter is 100-150 cm Tree height is 20-30 m Sapwood width is 0-5 cm Bark width is 10-15 mm Comments Leight weight, poor quality, suitable on for low-grade uses Cutting Resistance Easy to saw Material is very soft and saws easily Movement in Service Excellent Stability - Small Movement Planing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Resistance to Impregnation Resistant heartwood Resistant sapwood Response to Hand Tools Easy to Work Easy to machine Clean surfaces are difficult to obtain Polishing Poor to Very Poor Results Strength Properties Resistance to denting and marring is low Hardness (side grain) = soft Density = low Compression strength (parallel to grain) = low Bending strength (MOR) = low Numerical Data Item Green Dry English Bending Strength 3822 4577 psi Density 18 lbs/ft3 Hardness 245 lbs Maximum Crushing Strength 1970 2969 psi Shearing Strength 582 psi Static Bending 2548 3685 psi Stiffness 768 849 1000 psi Toughness 44 inch-lbs Specific Gravity 0.25 0.26 Item Green Dry Metric Bending Strength 268 321 kg/cm2 Density 288 kg/m3 Hardness 111 kg Maximum Crushing Strength 138 208 kg/cm2 Shearing Strength 40 kg/cm2 Static Bending 179 259 kg/cm2 Stiffness 53 59 1000 kg/cm2 Toughness 50 cm-kg References Bolza, E. and N. H. Kloot. 1966. The Mechanical Properties of 81 New Guinea Timbers. Technological Paper No. 41. Division of Forest Products, Commonwealth Scientific and Industrial Research Organization, Melbourne, Australia. Desch, H. E. 1954. Manual of Malayan Timbers - Volume II. Malayan Forest Records, No. 15. Malaysia Publishing House Ltd., Singapore. Eddowes, P. J. 1961. Commercial Timbers of Papua New Guinea:Their Properties and Uses. Office of Forests, Papua New Guinea Schneider, E.E. 1916. Commercial Woods of the Philippines: Their Preparation and Uses. Bulletin No. 14. Department of the Interior, Bureau of Forestry, Manila, Philippines. WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.