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

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LNAMES AND FAMILYOfficial Common NameScientific NameLocal NameFamily NameKatoAmoora aherniana Merr.Kato (Bataan); malatumbaga(Bataan, Laguna);qlalakamote (Quezon).Meliaceae2. DISTRIBUTIONKato has been reported from Zambales, Bataan, Laguna, Quezon, CamarinesNorte, Lanao and Zamboanga in Mindanao.3. TREE CHARACTERISTICSA medium sized tree attaining a diameter of ~OO centimeters and a stem of 6 to8 meters to the first branch.4. WOOD DESCRIPTIONSapwood is lighter-colored, distinctly marked-off from the reddish brownheartwood; grain is straight or slightly crossed; texture is moderately coarse; hardand heavy. Pores are readily visible to the naked eye, comparatively more of solitarythan in radial multiples of2-3; yellowish white deposits present occluding the vesselsin the same samples. Parenchyma is indistinct even with a hand lens. Rays are fine,not visible to the naked eye.58
5. TECHNOWGICALPROPERTIESTechnological Properties Property Classification Description/RemarksPhysical PropertiesRelative density Class II Moderately high relativedensity (0.647)Volumetric shrinkage Class IV Moderately high volumetricshrinkage (16.0%)Mechanical/StrengthProperties Class II . Moderately high strength(Bending strength - 71.4MPa; Compressivestrength - 36.9 MPa; Shearstrength - 8.58 MPa; Hardness- 5.87 KN;Toughness - 34.9 Joule/ .Specimen)Sawing Class II Moderately difficult to saw* * Drying Class II Moderately difficult to dry* * Machining Class II Good machining property* * Finishing Class I Good to very goodfinishing property* * Natural Durability ClaSs II Moderately durable* * Treatability Class III Very difficult to treat withchemical preservatives* * -Data obtained from previous studies on LDS of FPRDI.Data obtained from Phase I oflTIO Project PD 47/88 Rev. 3(1).6. END-USESThe wood is used for posts, beams, rafters, fioorings, door, windows, interiortrims, furniture and cabinet work, bridges, wharves and other heavy construction. Itis suitable for rotary-cut veneer for plywood and related products, mine and truckbodies.7. ILLUSTRATIONTangential Cut59
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