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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. Comments Common Names Common Uses Cutting Resistance Drying Defects Ease of Drying Family Name Gluing Grain Heartwood Color Luster Movement in Service Nailing Natural Durability Numerical Data Painting Polishing References Regions of Distribution Response to Hand Tools Sapwood Color Scientific Name Screwing Strength Properties Texture Trade Name Tree Size Scientific Name Zelkova formosana Trade Name Taiwan zelkova Family Name Ulmaceae Common Names Taiwan zelkova Regions of Distribution Oceania and S.E. Asia Common Uses Agricultural implements, Boat building (general), Cabinetmaking, Carvings, Flooring: commercial heavy traffic, Furniture, Handles: general, Heavy construction, Joinery, Ladders, Mine timbers, Musical instruments, Plywood, Poles, Railroad ties, Sporting Goods, Vehicle parts, Veneer: decorative Heartwood Color Yellow White Purple Red Orange Brown Reddish brown Sapwood Color White to yellow Well defined Pinkish Grain Even Figure Straight Growth rings (figure) Straight Clear growth rings (figure) Texture Fine Medium to coarse Luster Lustrous Natural Durability Very durable Drying Defects Slight twist/warp Ease of Drying Easy Tree Size Tree height is 0-10 m Bark width is 5-10 mm Bark width is 0-5 mm Comments General finishing qualities are rated as good Cutting Resistance Cutting Resistance with dry wood is easy Gluing Moderate gluing properties Movement in Service Stable Nailing Holds nails well Easy to nail Response to Hand Tools Easy to Work Screwing Screwing yields good results Painting Good results Polishing Good results Strength Properties Shrinkage, Tangential = moderate Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = moderate Shrinkage, Radial = large Shrinkage, Radial = fairly large Density (dry weight) = 61-67 lbs/cu. ft Density (dry weight) = 53-60 lbs/cu. ft Numerical Data Item Green Dry English Density 58 lbs/ft3 Weight 57 46 lbs/ft3 Radial Shrinkage 5 % Tangential Shrinkage 8 % Item Green Dry Metric Density 929 kg/m3 Weight 913 737 kg/m3 Radial Shrinkage 5 % References Kanehira, R.,1921,Anatomical Characteristics and Identification of Formosa woods,Govt. of Formosa, Taihoku 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