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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. Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Family Name Grain Heartwood Color Kiln Drying Rate Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Planing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Sapwood Color Scientific Name Strength Properties Texture Trade Name Tree Size Turning Scientific Name Siphonodon celastrineus Trade Name Hyunja Family Name Celastraceae Common Names Hyunja, Myauk-okshit, Myaukokshit, Siphonodon, Woibaw Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Burma, India, Indonesia, Malaysia, Papua New Guinea, Philippines, Thailand Common Uses Heavy construction, Light construction, Poles Heartwood Color Brown Yellow Orange Green/grey Sapwood Color White Yellow Grain Even Straight Straight Texture Fine Fine Luster Medium Natural Durability Moderately durable Susceptible to insect attack Non-resistant to termites Non-resistant to powder post beetles Moderately durable Drying Defects Checking Distortion Ease of Drying Rapidly Kiln Drying Rate Naturally dries quickly Slow Drying rate is fairly rapid to fast Drying rate is slow Tree Size Sapwood width is 5-10 cm Bole length is 0-10 m Bole length is 10-20 m Bark width is 20-25 mm Tree height is 30-40 m Tree height is 40-50 m Cutting Resistance Fairly Difficult to Very Difficult to saw Moderate to saw Easy to saw Mortising Fairly Difficult to Very Difficult Moulding Fairly Difficult to Very Difficult Movement in Service Fair to Good Stability - Medium Movement Nailing Pre-Boring Recommended Very Good to Excellent Results Fair to Good Results Planing Fairly Difficult to Very Difficult Resistance to Impregnation Resistant heartwood Resistant sapwood Permeable sapwood Response to Hand Tools Easy to Work Fairly Difficult to Difficult to Work Turning Fairly Difficult to Very Difficult Strength Properties Shrinkage, Tangential = large Shrinkage, Radial = very small Density (dry weight) = 46-52 lbs/cu. ft. Numerical Data Item Green Dry English Density 47 lbs/ft3 Weight 46 37 lbs/ft3 Radial Shrinkage 2 % Tangential Shrinkage 10 % Item Green Dry Metric Density 753 kg/m3 Weight 737 592 kg/m3 Radial Shrinkage 2 % References Anon,1963,Indian Woods: Their Identification, Properties and uses. Vol.II Linaceae,to Moringaceae,Manager of Publications, Delhi, India Bolza, E.,1975,Properties and Uses of 175 Timber Species from Papua New Guinea and West,Irian,C.S.I.R.O. Div. Building Research Report,no.34 Whitmore, T.C. (Ed.,1972,Tree Flora of Malaya A Manual for Foresters Volume 1,Forest Department Ministry of Agriculture and Lands Malaysia