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. Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Family Name Grain Heartwood Color Kiln Schedules Luster Nailing Natural Durability Numerical Data Planing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Strength Properties Synonyms Texture Trade Name Tree Size		Scientific Name Knema furfuracea Trade Name Darah Family Name Myristicaceae Synonyms Myristica furfuracea Common Names Darah, Kumpang, Penarahan, Penarahan arang Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Malaysia, Thailand Common Uses Boxes and crates, Concrete formwork, Heavy construction, Light construction, Plywood Heartwood Color Reddish brown Pale brown Pale red to pink Greenish to greyish Sapwood Color Paler than heartwood Grain Even Straight Straight Texture Medium Fine Fine to medium Medium Medium to coarse Fine Coarse Luster Low Slightly lustrous Natural Durability Durable Susceptible to insect attack Resistant to termites Resistant to powder post beetles Moderately durable Non durable Susceptible to attack from termites (Isoptera) Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Sapwood is susceptible to wood staining fungal attack Pinworms (ambrosia beetles) often present in the standing tree Pinworms (ambrosia beetles) may be present in the felled log Heartwood is susceptible to wood staining fungal attack Kiln Schedules Dry at a slow speed Drying Defects Moderate twist/warp Tree Size Tree height is 10-20 m Cutting Resistance Cutting Resistance with dry wood is easy Nailing Difficult to nail Planing Very Good to Excellent Results Fair to Good Results Planes well, to a good finish Resistance to Impregnation Heartwood is permeable Response to Hand Tools Easy to machine Strength Properties Density (dry weight) = 38-45 lbs/cu. ft. Numerical Data Item Green Dry English Density 40 lbs/ft3 Weight 39 31 lbs/ft3 Item Green Dry Metric Density 641 kg/m3 References Burgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6 Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison. Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15 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. Whitmore, T.C. (Ed.,1972,Tree Flora of Malaya A Manual for Foresters Volume 1,Forest Department Ministry of Agriculture and Lands Malaysia