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. Comments Common Names Common Uses Countries of Distribution Family Name Grain Heartwood Color Luster Numerical Data Polishing References Regions of Distribution Response to Hand Tools Sapwood Color Scientific Name Strength Properties Texture Trade Name Tree Size		Scientific Name Chorisia speciosa Trade Name Algodon Family Name Bombacaceae Common Names Algodon, Algodonero, Mandoyu-ra, Paineira, Palo borracho de flor rosada, Paneira, Samohu, Samohu Colorado, Samuhu Regions of Distribution Latin America Countries of Distribution  [VIEW MAP] Argentina, Brazil, Paraguay Common Uses Boat building (general), Boxes and crates, Canoes, Cooperages, Heavy construction, Light construction, Pulp/Paper products Heartwood Color Red Brown Purple Greenish to greyish Brown Sapwood Color Red Same as heartwood Grain Even Interlocked Straight Figure Weak (figure) Weak figure Straight Interlocked Texture Fine Coarse Medium to coarse Luster Medium Pronounced Lustrous Tree Size Tree height is 10-20 m Comments General finishing qualities are rated as good Response to Hand Tools Easy to Work Easy to machine Polishing Satisfactory results Strength Properties Max. crushing strength (stiffness) = very low Bending strength (MOR) = very low Modulus of Elasticity (stiffness) = very low Shrinkage, Tangential = large Shrinkage, Tangential = fairly large Shrinkage, Radial = very small Shrinkage, Radial = small Density (dry weight) = 23-30 lbs/cu. ft. Shrinkage, Tangential = moderate Shearing strength (parallel to grain) = very low Hardness (side grain) = very soft Bending strength (MOR) = low Numerical Data Item Green Dry English Bending Strength 3229 4817 psi Density 25 lbs/ft3 Hardness 319 lbs Maximum Crushing Strength 724 1435 psi Shearing Strength 882 psi Stiffness 1017 1199 1000 psi Weight 25 21 lbs/ft3 Radial Shrinkage 3 % Tangential Shrinkage 9 % Item Green Dry Metric Bending Strength 227 338 kg/cm2 Density 400 kg/m3 Hardness 144 kg Maximum Crushing Strength 50 100 kg/cm2 Shearing Strength 62 kg/cm2 Stiffness 71 84 1000 kg/cm2 Weight 400 336 kg/m3 Radial Shrinkage 3 % References Celulosa Argentina,1973,Libro del Arbol,Celulosa Argentina Buenos Aires 3 Vols Record, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University Press Record, S.J., Mell, C.D.,1924,Timbers of Tropical America,Yale Univ. Press Sao Paulo - Instituto de Pesquisas Tecnologicas,1956,Tabelas de Resultados obtidos para Madeiras Nacionais,Inst. Pesq. Tec. Sao Paulo, Brazil Bol., No.31(2nd Ed.) Takahashi, A.,1975,Compilation of data on the Mechanical Properties of Foreign Woods (Part 2,Central and South America,Shimane University, Japan, Research Report on Foreign Wood No.4 Tortorelli, L.,1956,Maderas y Bosques Argentinos,Editorial Acme S.A.C.I. Buenos Aires