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Blunting Effect Boring Carving Common Names Common Uses Countries of Distribution Cutting Resistance Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Drying Rate Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Odor Planing Polishing References Regions of Distribution Resistance to Abrasion Resistance to Impregnation Response to Hand Tools Routing & Recessing Sanding Sapwood Color Scientific Name Screwing Silica Content Staining Steam Bending Strength Properties Texture Toxicity Trade Name Tree Size Turning Veneering Qualities		Scientific Name Canarium hirsutum Trade Name Kedondong Family Name Burseraceae Common Names Breadlanka, Dhup, Dulit, Kaunicina kaunigai, Kedondong, Merdongdong, Pagsahingin, White dhup Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Cambodia, Philippines, Vietnam Common Uses Balusters, Bent Parts, Boxes and crates, Building construction, Building materials, Cabinetmaking, Casks, Chairs, Chests, Construction, Core Stock, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Drawer sides, Excelsior, Figured veneer, Fine furniture, Furniture , Furniture components, Furniture squares or stock, Hatracks, Interior construction, Joinery, Kitchen cabinets, Light construction, Living-room suites, Moldings, Office furniture, Packing cases, Plain veneer, Plywood, Radio - stereo - TV cabinets, Rustic furniture, Stairworks, Stools, Stringers, Structural plywood, Utility furniture, Utility plywood, Veneer Environmental Profile Status unknown due to inadequate information Status has not been officially assessed Distribution Overview Thailand, Laos, Vietnam, Cambodia to Indomalesia Heartwood Color Red Brown Pink Purple Reddish brown Pale red to pink Light brown Sapwood Color White Yellow Paler than heartwood Not clearly differentiated from the heartwood. Grain Even Straight Interlocked Straight to interlocked Texture Coarse Medium Even or uniform Uniform Fine Fair to medium coarse Luster Medium High Lustrous Natural Durability Susceptible to insect attack Non-resistant to powder post beetles Moderately durable Durable Perishable Non-resistant to termites Non-durable Very little natural resistance Susceptible to termite attack Sapwood susceptible to attack by powder post beetles Odor No specific smell or taste Silica Content Likely to have significant impact on machining Contains high levels of silica (> 0.5% of dry weight) Canarium timbers reported to have high levels of silica (1.68% of ovendry weight) Toxicity Some toxic effects Drying Defects Checking Distortion Splitting Collapse Internal Honeycombing Possible Ease of Drying Fairly Easy Slowly Variable Moderately Difficult to Difficult Requires special attention Dries well with little degrade Kiln Drying Rate Drying rate is fairly rapid to fast Rapid Naturally dries slowly Tree Size Tree height is 30-40 m Trunk diameter is 100-150 cm Trunk diameter is 150-200 cm Tree height is 20-30 m Dimensions usually vary with species, and a height of 180 feet (54 m) and a trunk diameter of 60 inches (150 cm) have been reported Blunting Effect Little Moderate Silica content in the wood impacts the blunting effect 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 Cutting resistance is variable Dependent upon the amount of silica in the wood. Gluing Fairly Easy to Very Easy Fair to Good Results Fairly Difficult to Very Difficult Mortising Fairly Easy to Very Easy Fair to Good Results Moulding Fairly Easy to Very Easy Fair to Good Results Movement in Service Fair to Good Stability - Medium Movement Excellent Stability - Small Movement Nailing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Planing Fairly Easy to Very Easy Fair to Good Results Poor to Very Poor Results Very Good to Excellent Results Variable machining properties Good planing properties Silica levels may affect machining properties Resistance to Abrasion High Resistance to Impregnation Resistant heartwood Permeable sapwood Resistant sapwood Sapwood is permeable Heartwood is extremely resistant Response to Hand Tools Easy to Work Responds Readily Difficult to machine Silica content can make hand tool use difficult Routing & Recessing Fair to Good Results Fairly Easy to Very Easy Sanding Fair to Good Results Fairly Easy to Very Easy Screwing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Turning Fair to Good Results Fairly Easy to Very Easy Very Good to Excellent Results Veneering Qualities Suitable for peeling Veneers easily Suitable for slicing Veneers moderately easy No drying degrade Steam Bending Very Good to Excellent Results Fair to Good Results Fairly Easy to Very Easy Polishing Fair to Good Results Fairly Easy to Very Easy Staining Fair to Good Results Very Good to Excellent Results Fairly Easy to Very Easy Strength Properties Weight = moderate Surfaces may dent or scratch easily Surfaces may dent easily Soft Max. crushing strength = low Hardness (side grain) = soft Crushing strength = low Compression strength (parallel to grain) = low Bending strength (MOR) = high Bending strength in the air-dry condition (about 12 percent moisture content) is high - comparable to Teak. It is weak in compression parallel to grain (maximum crushing strength), and is inferior to Mahogany. The wood is soft, and surfaces may dent easily. It also does not wear well, and mars easily. The weight is medium. The wood is high in density. Numerical Data Item Green Dry English Bending Strength 5450 10691 psi Crushing Strength 349 655 psi Density 32 lbs/ft3 Hardness 622 lbs Maximum Crushing Strength 2607 4767 psi Shearing Strength 1115 psi Static Bending 3722 6843 psi Stiffness 836 1380 1000 psi Toughness 165 inch-lbs Specific Gravity 0.4 Weight 31 25. lbs/ft3 Item Green Dry Metric Bending Strength 383 751 kg/cm2 Crushing Strength 24 46 kg/cm2 Density 512 kg/m3 Hardness 282 kg Maximum Crushing Strength 183 335 kg/cm2 Shearing Strength 78 kg/cm2 Static Bending 261 481 kg/cm2 Stiffness 58 97 1000 kg/cm2 Toughness 190 cm-kg Specific Gravity 0.4 References Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison. Lauricio, F. M., Bellosillo, S. B., The Mechanical and Related Properties of Philippine Woods, The Lumberman, 12(5):A-H. WCMC. 1992. Conservation Status Listing - Trees and Timbers of the World. World Conservation Monitoring Center-Plants Programme, Cambridge, CB3 ODL, United Kingdom.