Search for

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. Blunting Effect Boring Carving Certified Source Comments Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Odor Painting Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sapwood Color Scientific Name Screwing Staining Steam Bending Strength Properties Texture Trade Name Tree Identification Tree Size Turning Varnishing Weathering Scientific Name Centrolobium paraense Trade Name Amarillo lagarto Family Name Leguminosae Common Names Amarillo lagarto, Ararauba, Ararauva, Arariba, Araruva, Balaustre, Birote de montana, Caa-mirim, Caaguassu, Caguaro, Carijo, Cartan, Cartanie, Cartanye, Guarariba, Guayacan hobo, Iririba, Iririba rosa, Kartang, Mutumuju, Pau da rainha, Pau rainha, Potomuju, Putumuju, Putumuju amarello, Putumuju vermelho, Putumuyu, Red wood, Tipiri Regions of Distribution Latin America Countries of Distribution  [VIEW MAP] Brazil, Guyana, Venezuela Common Uses Furniture, Poles, Posts, Tool handles, Turnery Environmental Profile Abundant/Secure Questionable Rare Heartwood Color Yellow Orange Red Brown Sapwood Color White Yellow Red Grain Figure Even Straight Other (figure) Straight Other figure Texture Fine Medium Fine Luster Medium Pronounced Lustrous Natural Durability Very durable Durable Resistant to termites Resistant to marine borers Very durable Resistant to attack from termites (Isoptera) Resistant to attack from powder post (Lyctid & Bostrychid) beetles Durable Weathering Excellent Odor Has a taste Has an odor Drying Defects Checking Resin Exudation Slight surface checking Slight end splitting Ease of Drying Fairly Easy Reconditioning Treatement Tree Identification Bole/stem form is not buttressed Tree Size Tree height is 20-30 m Tree height is 30-40 m Tree height is 10-20 m Trunk diameter is 150-200 cm Bark width is 15-20 mm Bark width is 10-15 mm Tree height is 40-50 m Trunk diameter is 100-150 cm Bark width is 20-25 mm Certified Source Certified Source Comments General finishing qualities are rated as good Blunting Effect Little Moderate Boring Fairly easy to very easy Fair to good results Very good to excellent results Carving Fairly Easy to Very Easy Fair to Good Results Cutting Resistance Easy to saw Gluing Fairly Easy to Very Easy Very Good to Excellent Results Fairly Difficult to Very Difficult Fair to Good Results Mortising Fairly Easy to Very Easy Fair to Good Results Very Good to Excellent Results Moulding Fairly Easy to Very Easy Fair to Good Results Very Good to Excellent Results Movement in Service Excellent Stability - Small Movement Nailing Fairly Easy to Very Easy Fair to Good Results Very Good to Excellent Results Poor to Very Poor Results Planing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Resistance to Impregnation Resistant heartwood Resistant sapwood Response to Hand Tools Easy to Work Responds Readily Easy to machine Routing & Recessing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Screwing Fairly Easy to Very Easy Fair to Good Results Very Good to Excellent Results Turning Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Steam Bending Poor to Very Poor Results Fairly Difficult to Very Difficult Painting Fair to Good Results Very Good to Excellent Results Fairly Easy to Very Easy Polishing Fair to Good Results Very Good to Excellent Results Satisfactory results Staining Fair to Good Results Very Good to Excellent Results Varnishing Fair to Good Results Fairly Easy to Very Easy Very Good to Excellent Results Strength Properties Bending strength (MOR) = high Shrinkage, Tangential = small Shrinkage, Radial = very small Shearing strength (parallel to grain) = low Modulus of Elasticity (stiffness) = mediun Max. crushing strength = high Hardness (side grain) = medium Density (dry weight) = 46-52 lbs/cu. ft. Bending strength (MOR) = very high Bending strength (MOR) = medium Density (dry weight) = 53 - 60 lbs Numerical Data Item Green Dry English Bending Strength 14342 21437 psi Density 54 lbs/ft3 Hardness 1658 lbs Maximum Crushing Strength 6899 9945 psi Shearing Strength 1560 psi Stiffness 1665 1923 1000 psi Weight 53 43 lbs/ft3 Radial Shrinkage 2 % Tangential Shrinkage 6 % Item Green Dry Metric Bending Strength 1008 1507 kg/cm2 Density 865 kg/m3 Hardness 752 kg Maximum Crushing Strength 485 699 kg/cm2 Shearing Strength 109 kg/cm2 Stiffness 117 135 1000 kg/cm2 Weight 849 689 kg/m3 Radial Shrinkage 2 % References Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department Fanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1 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 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 Villamil, F.G.,1971,Maderas Colombianas,Proexpo Colombia