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. Boring Carving Comments Common Names Common Uses Countries of Distribution Cutting Resistance Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Luster Mortising Moulding Nailing Natural Durability Numerical Data Odor Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sanding Sapwood Color Scientific Name Screwing Strength Properties Texture Trade Name Tree Size Turning Veneering Qualities		Scientific Name Sterculia ceramica Trade Name Malakalumpang Family Name Sterculiaceae Common Names Malakalumpang Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Philippines, Thailand 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 Rare Abundant/Secure Data source is World Conservation Monitoring Center This species is officially classified as Rare within its natural habitat in Thailand. Its status in the wild is listed as unknown because of insufficient information in the Philippines Distribution Overview Several species in the genus Sterculia are distributed in the Malay Peninsula, Philippines, and other areas in southeast Asia. Heartwood Color Purple Brown Red Yellow Pink Orange White to cream Material is discolored to a silver gray or light brown when stained Light brown Sapwood Color Yellow White Same as heartwood Grain Even Straight Straight Texture Fine Spongy heart may be present. Coarse Luster Medium High Natural Durability Durable Very durable Susceptible to insect attack Resistant to termites Non-resistant to powder post beetles Resistant to powder post beetles Poor weathering properties Heartwoood susceptible to beetle attack Odor Has an odor Drying Defects Checking Splitting Ease of Drying Moderately Difficult to Difficult Thick Stock Requires Care Stains easily Despite staining, timber seasons well Tree Size Tree height is 30-40 m Tree height is 20-30 m Bole length is 20-30 m Tree height is 10-20 m Tree height is 40-50 m Bole length is 10-20 m Bole length is 30-40 m Trunk diameter is 100-150 cm Comments Leight weight, poor quality, suitable on for low-grade uses Boring Fairly easy to very easy Fair to good results Carving Fair to Good Results Fairly Easy to Very Easy Cutting Resistance Easy to saw Material is very soft and saws easily Gluing Fairly Easy to Very Easy Mortising Fairly Easy to Very Easy Fair to Good Results Moulding Fairly Easy to Very Easy Fair to Good Results Nailing Pre-Boring Recommended Poor to Very Poor Results Fairly Difficult to Very Difficult Planing Fair to Good Results Fairly Easy to Very Easy Resistance to Impregnation Resistant heartwood Permeable sapwood Resistant sapwood Response to Hand Tools Easy to Work Responds Readily Fairly Difficult to Difficult to Work Easy to machine Clean surfaces are difficult to obtain Routing & Recessing Fairly Easy to Very Easy Sanding Fair to Good Results Screwing Pre-boring recommended Poor to Very Poor Results Fairly Difficult to Very Difficult Turning Fair to Good Results Fairly Easy to Very Easy Veneering Qualities Suitable for slicing Veneers easily Veneers moderately easy Suitable for peeling Polishing Fair to Good Results Very Good to Excellent Results Strength Properties Resistance to denting and marring is low Hardness (side grain) = soft Density = very low Compression strength (parallel to grain) = low Bending strength (MOR) = low Numerical Data Item Green Dry English Bending Strength 4446 6231 psi Crushing Strength 317 333 psi Density 17 lbs/ft3 Hardness 296 lbs Maximum Crushing Strength 2188 3373 psi Shearing Strength 564 psi Static Bending 2313 4404 psi Stiffness 887 1005 1000 psi Toughness 185 inch-lbs Specific Gravity 0.26 0.29 Item Green Dry Metric Bending Strength 312 438 kg/cm2 Crushing Strength 22 23 kg/cm2 Density 272 kg/m3 Hardness 134 kg Maximum Crushing Strength 153 237 kg/cm2 Shearing Strength 39 kg/cm2 Static Bending 162 309 kg/cm2 Stiffness 62 70 1000 kg/cm2 Toughness 213 cm-kg References 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 Lauricio, F. M., Bellosillo, S. B., The Mechanical and Related Properties of Philippine Woods, The Philippine Lumber Journal, 12(5):A-H. 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.