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 Distribution Overview Drying Defects Ease of Drying Environmental Profile Family Name Gluing Grain Heartwood Color Kiln Schedules Luster Mortising Moulding Nailing Natural Durability Numerical Data Odor Planing Polishing Product Sources References Regions of Distribution Resistance to Impregnation Response to Hand Tools Routing & Recessing Sanding Sapwood Color Scientific Name Screwing Strength Properties Texture Trade Name Tree Size Turning		Scientific Name Aspidosperma centrale Trade Name Peroba rosa Family Name Apocynaceae Common Names Jacamim, Peroba rosa, Red peroba, Volador Regions of Distribution Latin America Countries of Distribution  [VIEW MAP] Brazil Common Uses Building materials, Chairs, Chests, Concealed parts (Furniture), Desks, Dining-room furniture, Dowell pins, Dowells, Drawer sides, Fine furniture, Floor lamps, Framing, Furniture , Furniture components, Furniture squares or stock, Hatracks, Kitchen cabinets, Living-room suites, Office furniture, Pulp/Paper products, Pulpwood, Radio - stereo - TV cabinets, Rustic furniture, Stools, Tables , Utility furniture, Wardrobes Environmental Profile Status has not been officially assessed Distribution Overview Peroba species can be found in southeastern Brazil and la Selva Misionera of Argentina, and often in large numbers in Sao Paulo. Heartwood Color Yellow Brown Red Purple White Pink Orange Yellow to golden-yellow to orange Yellow - light Reddish brown Pinkish white Pale brown Sometimes shows wide rose colored stripes upon exposure Sapwood Color White Grey Grayish white or beige Darkens upon exposure Blends into heartwood Grain Even Figure Irregular Straight Interlocked Straight to interlocked Irregular Texture Medium Even or uniform Uniform Medium Luster Low Dull Natural Durability Durable Very resistant to attack by white-rot and brown-rot fungi The heartwood of wood from Belize is very resistant to attack by both white-rot and brown-rot fungi Odor No specific smell or taste Kiln Schedules T7-B3 (4/4) US Suggested kiln schedule for species from Surinam Drying Defects Checking Collapse Distortion End-checking, surface-checking, distortion and collapse are common defects Ease of Drying Thick Stock Requires Care Medium to High Shrinkage Moderately Difficult to Difficult Requires care in drying Rather large shrinkage Moderate drying rate is recommended Tree Size Tree height is 30-40 m Trunk diameter is 100-150 cm Product Sources A few of the species in the genus are reported to produce timber of commercial value. Among them are three species which grow in India, and A. lanceifolius from the Malay-Peninsula which is the source of the timber marketed as Keledang. Comments General description of the genus is sufficient to give the principle characteristics of each species in the group Very similar in characteristics Blunting Effect Moderate High to severe Moderate to fairly sever blunting effect on cutting edges Boring Very easy to impregnate with preservatives Carving Fairly Easy to Very Easy Fair to Good Results Easy to carve Cutting Resistance Easy to saw Fairly Difficult to Very Difficult to saw Requires some care Fairly easy to saw Gluing Fair to Good Results Fairly Easy to Very Easy Satisfactory gluing properties Mortising Fair to Good Results Fairly Easy to Very Easy Responds well to mortising operations Moulding Fair to Good Results Fairly Easy to Very Easy Very easy to accomplish moulding or shaping Nailing Pre-Boring Recommended Fairly Difficult to Very Difficult Requires pre-boring Planing Fair to Good Results Fairly Easy to Very Easy Very easy to plane Resistance to Impregnation Resistant sapwood Resistant heartwood Permeability is variable, but generally low Response to Hand Tools Responds Readily Easy to Work Works easily with hand tools Routing & Recessing Fair to Good Results Fairly Easy to Very Easy Very easy to rout or recess Sanding Fair to Good Results Fairly Easy to Very Easy Satisfactory sanding properties Screwing Pre-boring recommended Fairly Difficult to Very Difficult Turning Fair to Good Results Fairly Easy to Very Easy Very easy to turn Polishing Fair to Good Results Fairly Easy to Very Easy Fairly good polishing characteristics Strength Properties Very heavy Very dense Max. crushing strength = high Hardness = medium Bending strength (MOR) = high The species is considerably stronger than White oak or Teak. It resists denting and marring about as well as white oak or birch Numerical Data Item Green Dry English Bending Strength 13818 19125 psi Density 54 lbs/ft3 Hardness 1617 lbs Impact Strength 35 inches Maximum Crushing Strength 6517 11282 psi Shearing Strength 2117 psi Stiffness 2450 2567 1000 psi Work to Maximum Load 14 inch-lbs/in3 Specific Gravity 0.64 Weight 53 43. lbs/ft3 Radial Shrinkage 5 % Tangential Shrinkage 9 % Volumetric Shrinkage 14 % Item Green Dry Metric Bending Strength 971 1344 kg/cm2 Density 865 kg/m3 Hardness 733 kg Impact Strength 88 cm Maximum Crushing Strength 458 793 kg/cm2 Shearing Strength 148 kg/cm2 Stiffness 172 180 1000 kg/cm2 Work to Maximum Load 0.98 cm-kg/cm3 Specific Gravity 0.64 Weight 849 689. kg/m3 Radial Shrinkage 5 % Tangential Shrinkage 9 % References Boone, R.S., C.J. Kozlik, P.J. Bois, E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Hardwoods -Temperate and Tropical. USDA, Forest Service, General Technical Report FPL-GTR-57, Forest Products Laboratory, Madison, Wisconsin. Chichignoud, M., G. Deon, P. Detienne, B. Parant and P. Vantomme. 1990. Tropical Timber Atlas of Latin America. International Tropical Timber Organization (ITTO, Centre Technique Forestier Tropical, Division of CIRAD, 45 bis, Avenue de la Belle Gabrielle, Nogent-sur-marne, CEDEX, France. Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison. Lavers, G.M. 1966. The Strength Properties of Timbers. Forest Products Research Bulletin, No. 50. Ministry of Technology, Her Majesty's Stationery Office, London.