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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 Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Odor Planing Polishing Product Sources References Regions of Distribution Resistance to Impregnation Routing & Recessing Sanding Sapwood Color Scientific Name Screwing Staining Strength Properties Texture Toxicity Trade Name Tree Size Turning Weathering Scientific Name Castanopsis acuminatissima Trade Name Berangan Family Name Fagaceae Common Names Berangan, Evergreen chinkapin, Indian chestnut, New Guinea oak, Philippine chestnut, Thite Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Malaysia Common Uses Balusters, Barrels, Beams, Bedroom suites, Boat building, Building construction, Building materials, Cabin construction, Cabinetmaking, Canoes, Casks, Chairs, Chests, Concealed parts (Furniture), Concrete formwork, Construction, Core Stock, Decks, Decorative plywood, Decorative veneer, Desks, Dining-room furniture, Domestic flooring, Dowell pins, Dowells, Drawer sides, Excelsior, Exterior trim & siding, Exterior uses, Factory construction, Figured veneer, Fine furniture, Furniture , Joinery, Ladders , Light construction, Paneling , Shakes, Shingles, Shipbuilding, Tool handles, Turnery, Veneer Environmental Profile Abundant/Secure Questionable Endangered The environmental status of this species within its geographical boundaries has not been officially determined Distribution Overview India, Pakistan, Sri Lanka to Indomalesia. Heartwood Color Brown Black Green/grey Pinkish brown Brown Sapwood Color Green/Grey White Straw colored to grayish-white Paler than heartwood Clearly differentiated from the heartwood Grain Even Interlocked Straight Straight Interlocked Texture Coarse Uneven Medium coarse to coarse Natural Durability Very durable Susceptible to termite attack Susceptible to attack by pinhole borers Felled logs are susceptible to attack by longhorn beetles Weathering Good Odor Has an odor No taste Freshly-Milled sawn timber has the smell of tannin Toxicity Sawdust can cause throat irritation in some individuals Sawdust can cause nose irritation in some individuals Sawdust can cause eye irritation in some individuals Drying Defects Checking Prone to checking Honeycombing possible Expect splits In air-drying, stacks must be protected and thin stickers should be used Ease of Drying Rapidly End-Coating Reconditioning Treatement Little degrade Fairly Easy Requires slow to moderate drying schedule. Dries slowly Thin stickers and stack protection are recommended during air-drying Tree Size Tree height is 10-20 m Tree height is 20-30 m Product Sources Seldom available in quantities that would make it commercially valuable. Certified Source Certified Source Comments Castanopsis acuminatissima is a true oak, and is closely related to species in the genus Quercus of the northern hemisphere Blunting Effect Blunting effect on cutting edges is rated as moderate to high Boring Fair to good results Fairly easy to very easy Material containing irregular or interlocked grain may be difficult to bore Carving Fair to Good Results Fairly Easy to Very Easy Good carving qualities Cutting Resistance Easy to saw Moderate to fairly difficult to saw Cutting edges are dulled moderately Gluing Poor to Very Poor Results Mortising Fair to Good Results Fairly Easy to Very Easy Good mortising properties Moulding Fair to Good Results Fairly Easy to Very Easy Good moulding properties Movement in Service Excellent Stability - Small Movement The material exhibits medium movement in service Nailing Nails hold poorly Difficult to nail Planing Fairly Easy to Very Easy Fair to Good Results A reduced cutting angle of 20 degrees has been recommended in planing material with irregular or interlocked grain Resistance to Impregnation Sapwood is permeable Heartwood is resistant Routing & Recessing Fair to Good Results Fairly Easy to Very Easy Routing yields good results Sanding Fair to Good Results Fairly Difficult to Very Difficult Good sanding finish Screwing Poor screw holding properties Turning Fair to Good Results Fairly Difficult to Very Difficult Good results Polishing Good results Staining Fair to Good Results Strength Properties Weight = medium Hardness (side grain) = medium Compression strength (parallel to grain) = high Bending strength (MOR) = high The wood resists denting and marring about as well as white oak or birch and has a high density Numerical Data Item Green Dry English Bending Strength 8036 13524 psi Density 32 lbs/ft3 Hardness 882 lbs Maximum Crushing Strength 3979 8095 psi Shearing Strength 1323 psi Static Bending 5880 9702 psi Stiffness 1705 2195 1000 psi Toughness 143 inch-lbs Specific Gravity 0.5 0.56 Weight 31 25. lbs/ft3 Item Green Dry Metric Bending Strength 565 950 kg/cm2 Density 512 kg/m3 Hardness 400 kg Maximum Crushing Strength 279 569 kg/cm2 Shearing Strength 93 kg/cm2 Static Bending 413 682 kg/cm2 Stiffness 119 154 1000 kg/cm2 Toughness 164 cm-kg Specific Gravity 0.5 0.56 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 & Industrial Research Organization, Melbourne, Australia. Eddowes, P. J. 1977. Commercial Timbers of Papua New Guinea - Their Properties and Uses. Forest Products Research Center, Office of Forests, Department of Primary Industry, Papua New Guinea. 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