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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. Boring Comments Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Family Name Gluing Grain Heartwood Color Kiln Drying Rate Luster Mortising Moulding Natural Durability Numerical Data Planing Polishing References Regions of Distribution Response to Hand Tools Sanding Sapwood Color Scientific Name Strength Properties Texture Trade Name Tree Identification Tree Size Turning Veneering Qualities Scientific Name Parishia insignis Trade Name Kayu pontianak Family Name Anacardiaceae Common Names Kayu pontianak, Layang layang, Malabog, Red dhup, Rengas susu, Sepul Regions of Distribution Oceania and S.E. Asia Countries of Distribution  [VIEW MAP] Burma, Malaysia, Philippines, Thailand Common Uses Furniture, Matches, Plywood Heartwood Color Brown Red Green/grey Sapwood Color Red Brown Grain Interlocked Even Straight Figure Weak (figure) Interlocked Straight Weak figure Texture Fine Fine to medium Medium to coarse Coarse Luster High Medium Natural Durability Moderately durable Durable Resistant to termites Non-resistant to termites Susceptible to insect attack Non durable Sapwood is susceptible to wood staining fungal attack Susceptible to attack from powder post (Lyctid & Bostrychid) beetles Heartwood is susceptible to wood staining fungal attack Drying Defects Distortion No end splitting Slight end splitting Slight cupping Moderate spring/bow No twisting or warping Ease of Drying Rapidly Easy Kiln Drying Rate Naturally dries quickly Tree Identification Bole/stem form is buttressed Tree Size Tree height is 20-30 m Tree height is 10-20 m Tree height is 0-10 m Comments General finishing qualities are rated as satisfactory Boring Fairly easy to very easy Cutting Resistance Cutting Resistance with dry wood is difficult Gluing Fairly Easy to Very Easy Mortising Very Good to Excellent Results Fair to Good Results Moulding Very Good to Excellent Results Fair to Good Results Planing Fair to Good Results Fairly Difficult to Very Difficult Planes to a poor finish Response to Hand Tools Easy to Work Fairly Difficult to Difficult to Work Sanding Very Good to Excellent Results Fair to Good Results Turning Very Good to Excellent Results Fair to Good Results Veneering Qualities Difficult to veneer Suitable for slicing Suitable for peeling Polishing Very Good to Excellent Results Fair to Good Results Strength Properties Shrinkage, Tangential = fairly large Shrinkage, Radial = very small Toughness-Hammer drop (Impact Strength) = very low Max. crushing strength = low Density (dry weight) = 38-45 lbs/cu. ft. Density (dry weight) = 31-37 lbs/cu. ft. Numerical Data Item Green Dry English Density 36 lbs/ft3 Impact Strength 15 inches Maximum Crushing Strength 2139 3916 psi Weight 35 28 lbs/ft3 Radial Shrinkage 2 % Tangential Shrinkage 9 % Item Green Dry Metric Density 576 kg/m3 Impact Strength 38 cm Maximum Crushing Strength 150 275 kg/cm2 Weight 560 448 kg/m3 Radial Shrinkage 2 % References Burgess, P.F.,1966,Timbers of Sabah,Sabah Forest Record, no.6 Dadswell, H.E., Ingle, H.D.,1948,The anatomy of timbers of the South West Pacific area,C.S.I.R.O. Australian Reprint 109 Desch, H.E.,1954,Manual of Malayan Timbers (2 vols,Malayan Forest Records,no.15 Ng, F.S.P. (Ed,1989,Tree Flora of Malaya A Manual for Foresters Volume 4,Forest Research Institute Malaysia Ministry of Primary Industries Pearson, R.S., Brown, H.P.,1932,Commercial Timbers of India,Govt. Printer Calcutta,2 vols