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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 Comments Common Names Common Uses Countries of Distribution Cutting Resistance Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Schedules Light-Induced Color Change Luster Mortising Moulding Movement in Service Nailing Natural Durability Numerical Data Painting Planing Polishing References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sanding Sapwood Color Scientific Name Screwing Silica Content Staining Steam Bending Strength Properties Texture Trade Name Tree Identification Tree Size Turning Varnishing Veneering Qualities Scientific Name Cariniana pyriformis Trade Name Abarco Family Name Lecythidaceae Common Names Abarco, Albarco, Bacu, Caobano, Ceru, Chorao, Choro, Chupa, Coco, Colombian mahogany, Jequitiba, Jequitiba amarella, Jequitiva, Rosa, Tauary Regions of Distribution Latin America Countries of Distribution  [VIEW MAP] Bolivia, Colombia, Peru, Venezuela Common Uses Boat building (general), Cabinetmaking, Flooring, Flooring: industrial heavy traffic, Furniture, Handles: general, Heavy construction, Joinery, Ladders, Light construction, Piling, Plywood, Turnery, Vehicle parts, Veneer Environmental Profile Abundant/Secure Rare Heartwood Color Brown Purple Red Reddish brown Purple Red Brown Sapwood Color White Paler than heartwood Grain Straight Interlocked Even Figure Distinct (figure) Straight Interlocked Distinct figure Texture Coarse Medium Fine Luster Medium Slightly lustrous Lustrous Natural Durability Perishable Non-durable Susceptible to insect attack Non-resistant to powder post beetles Non-resistant to pinhole borers Resistant to attack from termites (Isoptera) Durable Very durable Resistant to marine borers Resistant to attack from powder post (Lyctid & Bostrychid) beetles Moderately durable Silica Content Slight silica content Light-Induced Color Change Lighter Kiln Schedules UK=E US=T6D2/T3D1 Fr=5 Drying (speed) is fast Drying Defects Distortion Checking Discoloration Splitting Slight twist/warp Slight surface checking Ease of Drying Medium to High Shrinkage Thick Stock Requires Care Fairly Easy Rapidly Requires special attention Tree Identification Bole/stem form is buttressed Bole/stem form is cylindrical Bole/stem form is straight Tree Size Tree height is 20-30 m Comments General finishing qualities are rated as good Blunting Effect High to severe Blunting effect on sawing green wood is moderate Blunting effect on sawing green wood is mild Blunting effect on sawing dry wood is moderate Blunting effect on sawing dry wood is mild Boring Fairly easy to very easy Very good to excellent results Carving Fair to Good Results Fairly Easy to Very Easy Cutting Resistance Easy to saw Cutting Resistance with green wood is difficult Cutting Resistance with dry wood is difficult Gluing Easy to glue Mortising Very Good to Excellent Results Fairly Easy to Very Easy Moulding Fair to Good Results Fairly Easy to Very Easy Movement in Service Excellent Stability - Small Movement Fair to Good Stability - Medium Movement Stable Nailing Pre-Boring Recommended Fair to Good Results Poor to Very Poor Results Fairly Easy to Very Easy Easy to nail Planing Fairly Easy to Very Easy Very Good to Excellent Results Fair to Good Results Resistance to Impregnation Sapwood is permeable Heartwood is resistant Heartwood is extremely resistant Response to Hand Tools Fairly Difficult to Difficult to Work Easy to machine Variable qualities Routing & Recessing Fair to Good Results Fairly Easy to Very Easy Sanding Fair to Good Results Fairly Easy to Very Easy Screwing Pre-boring recommended Fair to Good Results Easy to screw Turning Fair to Good Results Fairly Easy to Very Easy Veneering Qualities Easy to cut Suitable for slicing Suitable for peeling Steam Bending Fair to Good Results Painting Satisfactory results Polishing Very Good to Excellent Results Fair to Good Results Good results Staining Fair to Good Results Fairly Easy to Very Easy Varnishing Fair to Good Results Strength Properties Bending strength (MOR) = medium Max. crushing strength = high Shrinkage, Radial = fairly large Modulus of Elasticity (stiffness) = low Shrinkage, Tangential = moderate Shrinkage, Tangential = fairly large Shearing strength (parallel to grain) = medium Modulus of Elasticity (stiffness) = medium Max. crushing strength = medium Density (dry weight) = 46-52 lbs/cu. ft. Density (dry weight) = 31-37 lbs/cu. ft. Bending strength (MOR) = very high Bending strength (MOR) = high Shrinkage, Tangential = small Shrinkage, Tangential = large Shrinkage, Radial = very small Shrinkage, Radial = moderate Shrinkage, Radial = large Hardness (side grain) = soft Density (dry weight) = 38-45 lbs/cu. ft. Numerical Data Item Green Dry English Bending Strength 12835 19253 psi Density 40 lbs/ft3 Hardness 995 lbs Maximum Crushing Strength 5905 8762 psi Shearing Strength 2205 psi Stiffness 1481 1710 1000 psi Weight 39 31 lbs/ft3 Radial Shrinkage 4 % Tangential Shrinkage 8 % Item Green Dry Metric Bending Strength 902 1353 kg/cm2 Density 641 kg/m3 Hardness 451 kg Maximum Crushing Strength 415 616 kg/cm2 Shearing Strength 155 kg/cm2 Stiffness 104 120 1000 kg/cm2 Weight 624 496 kg/m3 Radial Shrinkage 4 % References Berni, C.A., Bolza, E., Christensen, F.J.,1979,South American Timbers - The Characteristics, Properties and Uses of 190,Species,C.S.I.R.O Div. Building Research Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison. Erfurth, T., Rusche, H.,1976,The Marketing of Tropical Wood B. Wood Species from S. American Tropical,Moist Forests,F.A.O. Forestry Department Gerry, E.,1952,Foreign woods information leaflet - Albarco Bacu Cariniana pyriformis,Miers Family Lecythidaceae,Forest Products Laboratory US Department of Agriculture 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