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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 Comments Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Family Name Gluing Grain Heartwood Color Kiln Schedules Luster Mortising Moulding Nailing Natural Durability Natural Growth Defects Numerical Data Odor Painting Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sanding Sapwood Color Scientific Name Screwing Staining Strength Properties Synonyms Texture Trade Name Tree Identification Turning Weathering Scientific Name Hopea beccariana Trade Name Amang jankar Family Name Dipterocarpaceae Synonyms Balanocarpus ovalifolius, Hancea beccariana, Hopea intermedia, Hopea nicholsoni, Hopea pierrei Common Names Amang jankar, Amang terubuk, Banjutan jangkang, Chengai pasir, Chengal, Gagil, Garang buaya daun kechil, Jangkang, Lempong mit, Mahan besi, Mangarawan, Mangerawan, Manirawan, Mengarawan, Merawan, Merawan batu, Merawan daun lebar, Merawan jangkang, Merawan kunyit, Merawan penak, Nuas nyerakat hitam, Nyerakat hitam, Selangan, Selangan hijau, Selangan penak, Tenggerawan Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Brunei, Malaysia, Thailand Common Uses Boat building: framing, Furniture, Heavy construction, Joinery, Light construction Heartwood Color Pink Tan Yellow to golden-yellow to orange Pale brown Reddish brown Greenish to greyish Dark brown Brown Sapwood Color Yellow Green/Grey White to yellow Well defined Paler than heartwood Grain Interlocked Figure Stripe (figure) Interlocked Striped figure Texture Fine Very fine Fine to medium Luster Pronounced Lustrous Natural Growth Defects Gum/resin streaks Natural Durability Resistant to termites Very durable Moderately durable Durable Weathering Excellent Odor Has an odor Kiln Schedules Dry at a slow speed Drying Defects Moderate surface checking Tree Identification Bole/stem form is buttressed Bole/stem form is straight Bole/stem form is cylindrical Comments General finishing qualities are rated as good Blunting Effect High to severe Blunting effect on machining is moderate Boring Fairly difficult to very difficult Carving Fairly Difficult to Very Difficult Poor to Very Poor Results Cutting Resistance Fairly Difficult to Very Difficult to saw Cutting Resistance with dry wood is difficult Gluing Fair to Good Results Mortising Fairly Difficult to Very Difficult Moulding Fairly Difficult to Very Difficult Nailing Fairly Difficult to Very Difficult Planing Fairly Difficult to Very Difficult Ease of planing is moderate Resistance to Impregnation Resistant heartwood Resistant sapwood Response to Hand Tools Fairly Difficult to Difficult to Work Responds Poorly Difficult to machine Routing & Recessing Fairly Difficult to Very Difficult Sanding Fairly Difficult to Very Difficult Screwing Fairly Difficult to Very Difficult Turning Fairly Difficult to Very Difficult Painting Fair to Good Results Polishing Very Good to Excellent Results Fair to Good Results Satisfactory results Staining Finish is generally satisfactory Strength Properties Density (dry weight) = 38-45 lbs/cu. ft. Density (dry weight) = 61-67 lbs/cu. ft. Density (dry weight) = 53-60 lbs/cu. ft. Density (dry weight) = 46-52 lbs/cu. ft. Numerical Data Item Green Dry English Density 50 lbs/ft3 Weight 49 39 lbs/ft3 Item Green Dry Metric Density 801 kg/m3 References Ashton, P.S.,1964,A manual of the Dipterocarp trees of Brunei State,O.U.P. London Browne, F.G.,1955,Forest Trees of Sarawak and Brunei and their Products.,Government Printing Office, Kuching, Sarawak Brown, W.H.,1978,Timbers of the World, No. 4 South East Asia,TRADA, Red Booklet Series Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison. Fundter, J.M.,1982,Names for Dipterocarp timbers and trees from Asia,Pudoc, Wageningen, Netherlands I. Soerianegara and R.H.M.J. Lemmens (Editors,1993,Plant Resources of South-East Asia 5,(PROSEA, 1,Timber trees: Major commercial timbers,Pudoc Scientific Publishers, Wageningen 1993 Meijer, W., Wood, G.H.S.,1964,Dipterocarps of Sabah (North Borneo,Sabah Forest Department, Forest Record No.5 Menon, P.K.B.,1959,The wood anatomy of Malayan timbers: commercial timbers, 3. Light,hardwoods,Malaysian Forest Research Institute Kepong, Research Pamplet, No. 27.