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Determa Specifications
Ocotea rubra (Mez) Allen
Nectandra rubra (Mez) Allen
Lauraceae
Baaka, Determa, Teteruma, Wanu
Determa, Laurovermelho, Wana
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Sapwood Heartwood Grain Texture |
Distinct, dirty yellow to greyish pink. Pinkish-red, becoming brown with age. Generally straight, or slightly irregular or interlocked Medium to coarse |
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Physical properties Green density (g/cm3) Air-dry density at 12% (g/cm3) Basic specific gravity (g/cm3) Total tangential shrinkage (%) Total radial shrinkage (%) Total volumetric shrinkage (%)
Mechanical properties Bending strength at 12% (N/mm2) Modulus strength of elasticity at 12% (N/mm) Crushing strength at 12% (N/mm) |
1.00 0.66 0.57 8.8 4.5 13.6
90 11400 51 |
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Sawing
Machining Nailing Finishing Veneering
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Easy; very slight blunting effect. Very difficult to kiln-dry; moderately difficult to air-season. US kiln schedule T6D2 25-38 mm and T3D1 for 50 mm.(See table in Tropenbos Series 15 p. 147) Not difficult Medium to good holding of nails Good, filling is recommended Peels and slices well. |
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Resistance to decay Resistance to termites Resistance to insects of dry wood |
Good Good Good |
Poor
Furniture; moulding; sliced veneer; boat building; plywood; interior and exterior joinery, panelling; and glued laminated beams.
Locally occasional in rainforest; occurring in bauxite bearing areas from Essequibo River eastward.
Can substitute for Crabwood in joinery, panels and interior work, and furniture.