MANUAL ON THE PROPERTIES AND USES OF LESSER ... - ITTO

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,L NAMESAND FAMILYOfficial Common NameScientific NameLocal NameFamily NameNatoPalaquium luzoniense (F.-Viii.) VideAralm (Cagayan); Diket (llocos Norte);gatasan(llocos Sur); tarakan (pangasinan); pateleo(Nueva Ecija); palak-palak (Bataan); nato(Bataan, Quezon, Laguna, Mindoro);tiIigkayad (Rizal).Sapotaceae2. DISTRIBUTIONNato is common in primary forests at low and medium altitudes. It has beenreported in Cagayan, Abra, Mt. Province, Isabela, Quirino, Aurora, llocos Sur andNorte, Pangasinan, Zambales, Rizal, B ataan, Laguna and Quezon, Mindoro, Masbate,Palawan, Zamboanga del Sur, Agusan del Sur, Surigao del Sur, Davao del Norte,Davao Oriental, andLanao del Sur.3. TREE CHARACTERISTICSIt reaches a diameter of 120 cm generally with a straight regular trunk of 10 to12 meters long.4. WOOD DESCRIPTIONSapwood, thin, light red or pinkish in color; not sharply marked off from theheartwood which is pale red to reddish brown; grain straight or slightly crossed;occasionally wavy; texture comparatively fine; fairly glossy; without taste or smell.Fibers comparatively dense.74
5. TECHNOWGICALPRQPERTIES,Technological Properties Property Classification Description/RemarksPhysical PropertiesRelative density Class IV Moderately low relativedensity (0.482)Volumetric shrinkage Class II Moderately low volumetric" shrinkage (10.2%)Mechanical/StrengthProperties Class III Mediumh strength(Bending strength - 58.2MPa; Compressivestrength - 26.7 MPa; Shearstrength - 7.70 MPa;Hardness - 3.53 KN;Toughness - 20.4 Joule/Specimen)Sawing Class II Moderately difficult to sawDrying Class II Moderately difficult to dryMachining Class I Very goodFinishing Class I Good to very goodNatural Durability Class III Slightly durableTreatability Class II Moderately difficult to treatData obtained from Phase I ofITTO Project PD 47/88 Rev. 3(1).6. END-USES/All uses of red lauan and for interior case of cigar boxes; rotary cut veneer forplywood and related products; house framing; exterior siding and flooring; furnitureand cabinet work; for sides and neck of guitars. Louvre doors, balusters, stairs,railings, solid and panel doors, moulding, bowls, candy and fruit trays, choppingboards.7. ILLUSTRATION. Radial Cut75
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