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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 Common Names Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Family Name Gluing Grain Heartwood Color Kiln Drying Rate Luster Movement in Service Nailing Natural Durability Numerical Data Odor Painting Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Staining Steam Bending Strength Properties Texture Trade Name Turning Scientific Name Engelhardtia nudiflora Trade Name Dungun paya Family Name Juglandaceae Common Names Dungun paya, Engel, Pa'ar Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Malaysia, Papua New Guinea Heartwood Color Red Brown Purple Pink Sapwood Color White Yellow Brown Green/Grey Grain Straight Figure Even Other (figure) Growth rings (figure) Rippled (figure) Weak (figure) Texture Coarse Medium Fine Luster Low Lustrous Natural Durability Susceptible to insect attack Very durable Resistant to termites Durable Non-resistant to marine borers Non-resistant to termites Non-resistant to powder post beetles Resistant to powder post beetles Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Non durable Odor Has an odor Drying Defects Resin Exudation Splitting Distortion Checking Internal Honeycombing Possible Ease of Drying Moderately Difficult to Difficult Slowly Gum Exudation Thick Stock Requires Care Kiln Drying Rate Even Straight Tree height is 20-30 m Bole length is 10-20 m Tree height is 30-40 m Sapwood width is 0-5 cm Sapwood width is 5-10 cm Trunk diameter is 100-150 cm Bole length is 20-30 m Bark width is 10-15 mm Tree height is 10-20 m Sapwood width (cm) = 5 - <10 Blunting Effect Moderate Blunting effect on machining is slight Cutting Resistance Fairly Difficult to Very Difficult to saw Easy to saw Gum-Up Gluing Fairly Easy to Very Easy Fair to Good Results Movement in Service Excellent Stability - Small Movement Fair to Good Stability - Medium Movement Nailing Fairly Difficult to Very Difficult Pre-Boring Recommended Fair to Good Results Very Good to Excellent Results Planing Fairly Easy to Very Easy Fair to Good Results Fairly Difficult to Very Difficult Very Good to Excellent Results Resistance to Impregnation Resistant heartwood Resistant sapwood Response to Hand Tools Easy to Work Fairly Difficult to Difficult to Work Turning Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Steam Bending Fair to Good Results Painting Fair to Good Results Polishing Fair to Good Results Poor to Very Poor Results Very Good to Excellent Results Fairly Easy to Very Easy Staining Fair to Good Results Very Good to Excellent Results Strength Properties Shrinkage, Tangential = fairly large Shrinkage, Radial = moderate Numerical Data Item Green Dry English Radial Shrinkage 4 % Tangential Shrinkage 9 % Item Green Dry Metric Radial Shrinkage 4 % References Oxford School of Forestry