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BaromalliBaromalli
Baromalli (Catostemma fragrans)

Family: Bombacaceae

Common names: Adarouna, Aganananga, Arenillo, Baramalli, Baraman, Baramanni, Baromalli, Flambeau rouge, Flameau rouge, Gan man naga, Kajoewaballi, Kamatana, Koron paku, Man kobe, Sand baromalli, Simana

Distributed in: French Guiana, Guadeloupe, Guyana (Central America, Latin America)

Distribution overview: The species occurs in Carare-Opon and Serrania de San Lucas regions of Colombia, as well as in the Guianas, and in the low inundated forests near Manaus and northward into Brazil.

Common uses: Agricultural implements, Boxes and crates, Cooperages, Decorative plywood, Furniture, Handles: general, Joinery, Ladders, Light construction, Plywood corestock, Plywood, Pulp/Paper products, Sporting Goods, Tool handles, Turnery

Environment profile: Abundant/Secure The environmental status of this species within its geographical boundaries has not been officially determined.

Tree size: Trunk diameter is 150-200 cm

Colors: the heart isYellow to golden-yellow to orange, Yellowish brownand the sapwoodWhite to yellow, Yellow.The grain isStriped figure, the textureMedium to coarseand the lusterMedium

Natural durability: Susceptible to insect attack, The sapwood is susceptible to wood staining fungal attack

Odor: No specific smell or taste

Kiln Schedules: Dry at a slow speed

Kiln Drying Rate: Rapid

Drying Defects: Slight end splitting, Slight surface checking

Ease of Drying: Slowly

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good General finishing qualities are rated as poor

Blunting Effect: Moderate

Boring: Fairly easy to very easy

Carving: Fair to Good Results

Cutting Resistance: Easy to saw The wood has low resistance to sawing.

Gluing: Poor gluing properties

Mortising: Fairly Easy to Very Easy

Moulding: Fairly Easy to Very Easy

Movement in Service: Fairly Easy to Very Easy

Nailing: Fair to Good , Fairly Easy to Very Easy

Planing: Planes to a satisfactory finish

Resistance to Impregnation: Resistant sapwood

Resistance to Splitting: Satisfactory

Response to hand tools: Responds Readily

Routing recessing: Fairly Easy to Very Easy

Sanding: Fair to Good Results

Veneering qualities: Suitable for slicing

Steam bending: Poor to Very Poor Results

Screwing: Fair to Good Results, Fairly Easy to Very Easy; Turning: Fairly Easy to Very Easy

Painting: Satisfactory; Polishing: Very Good to Excellent; Staining: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,56 0,66
Density 528 kg/m3
Bending Strength 651 976 kg/cm2
Crushing Strength 24 35 kg/cm2
Hardness 340 kg
Impact Strength cm
Shearing Strength 75 kg/cm2
Stiffness 135 163 1000 kg/cm2
Tangential Shrinkage 10 %
Radial Shrinkage 5 %
Weight 512 400 kg/m3
Maximum Load 0,49 cm-kg/cm3
Toughness 187 cm-kg
Static Bending 472 740 kg/cm2
Item Green Dry English
Bending Strength 9269 13887 psi
Crushing Strength 353 500 psi
Density 33 lbs/ft3
Hardness 750 lbs
Maximum Crushing Strength 4138 7434 psi
Shearing Strength 1073 psi
Static Bending 6723 10535 psi
Stiffness 1921 2330 1000 psi
Toughness 163 inch-lbs
Work to Maximum Load 7 inch-lbs/in3
Specific Gravity 0.56 0.66
Weight 32 25 lbs/ft3
Radial Shrinkage 5 %
Tangential Shrinkage 10 %
Volumetric Shrinkage 17 %

Density (dry weight) = 31-37 lbs/cu. ft.
Density (dry weight) = 38-45 lbs/cu. ft.
Max. crushing strength = medium
Density (dry weight) = 23-30 lbs/cu. ft.
Shrinkage, Tangential = large
Shrinkage, Radial = fairly large
Bending strength (MOR) = medium
Bending strength (MOR) = low
Shearing strength (parallel to grain) = very low
Shearing strength (parallel to grain) = low
Modulus of Elasticity (stiffness) = mediun
Modulus of Elasticity (stiffness) = low
Shrinkage, Tangential = fairly large
Shrinkage, Radial = large
Max. crushing strength = high
Hardness = medium
Hardness (side grain) = very soft
Hardness (side grain) = soft
Compression strength (parallel to grain) = high
Bending strength (MOR) = high
It resists denting and marring about as well as white oak or birch.

Bena, P.,1960,Essences Forestieres de Guyane,Bureau Agricole et Forestier Guyanais GuyanaBerni, 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 ResearchBoone, 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.Brown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet SeriesChudnoff, 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 DepartmentFanshawe, D.B.,1954,Forest Products of British Guiana Part 1 Principal Timbers,Forest Department British Guiana Forestry Bulletin (New Series 2nd,Edition,No.1Kynoch, W., Norton, N.A.,1938,Mechanical Properties of certain tropical woods chiefly from S. America,School of Forestry and Conservation, University of Michigan Bulletin,No.7Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Polak, A.M.,1992,Major Timber Trees of Guyana A Field Guide,The Tropenbos Foundation Wageningen, The NetherlandsRecord, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressTakahashi, 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.4Wangaard, F.F., W.L. Stern, and S.L. Goodrich. 1955. Tropical Woods - Properties and Uses of Tropical Woods, Volume V, No. 103. School of Forestry, Yale University, New Haven, Connecticut.
*Come interpretare i dati (manleva su eventuali imprecisioni)