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Peroba rosa
Peroba rosa (Aspidosperma centrale)

Family: Apocynaceae

Common names: Jacamim, Peroba rosa, Red peroba, Volador

Distributed in: Brazil (Latin America)

Distribution overview: Peroba species can be found in southeastern Brazil and la Selva Misionera of Argentina, and often in large numbers in Sao Paulo.

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

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.

Environment profile: Status has not been officially assessed

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isYellow - light , Yellow to golden-yellow to orangeand the sapwoodGrey, White.The grain isStraight to interlocked, the textureUniformand the lusterLow

Natural durability: Durable, Very resistant to attack by 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: Distortion, End-checking, surface-checking, distortion and collapse are common defects

Ease of Drying: Thick Stock Requires Care

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 to fairly sever blunting effect on cutting edges

Boring: Very easy to impregnate with preservatives

Carving: Fairly Easy to Very Easy

Cutting Resistance: Requires some care

Gluing: Satisfactory gluing properties

Mortising: Responds well to mortising operations

Moulding: Very easy to accomplish moulding or shaping

Movement in Service: Very easy to accomplish moulding or shaping

Nailing: Pre-Boring Recommended, Requires pre-boring

Planing: Very easy to plane

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Works easily with hand tools

Routing recessing: Very easy to rout or recess

Sanding: Satisfactory sanding properties

Screwing: Fairly Difficult to Very Difficult, Pre-boring recommended; Turning: Very easy to turn

Polishing: Fairly good polishing characteristics ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,64
Density 865 kg/m3
Bending Strength 971 1344 kg/cm2
Crushing Strength 458 793 kg/cm2
Hardness 733 kg
Impact Strength 88 cm
Shearing Strength 148 kg/cm2
Stiffness 172 180 1000 kg/cm2
Tangential Shrinkage 9 %
Radial Shrinkage 5 %
Weight 849 689 kg/m3
Maximum Load 0,98 cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
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 %

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

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.
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