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Ditta 5
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Ditta 4
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Ditta 2
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Ditta 1
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Ditta 0
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Curupi
Curupi (Sapium insigne)

Family: Euphorbiaceae

Common names: Bilodar, Biloja, Curupi, Dudla, Garpa shola, Karalla, Khina, Khinna, Khirni, Lechero, Ledra, Lendura, Lienda, Linda

Distributed in: Columbia, Cuba, Dominican Republic, Haiti, India, Jamaica, Mexico, Sri Lanka, Venezuela (Central America, Oceania and S.E. Asia)

Distribution overview: The genus Sapium is very well represented throughout tropical America, from Mexico and the West Indies to Uruguay and Argentina.

Common uses: Boxes and crates, Building materials, Casks, Core Stock, Decorative plywood, Decorative veneer, Fiberboard, Figured veneer, Furniture , General carpentry, Interior construction, Interior trim, Millwork, Musical instruments: percussion, Packing cases, Particleboard, Plain veneer, Plywood, Rustic furniture, Structural plywood, Tables , Utility furniture, Utility plywood, Veneer

Environment profile: Status has not been officially assessed

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isWhitish, yellowish, or light brown , Yellow to golden-yellow to orangeand the sapwoodNot clearly differentiated from the heartwood, Yellow.The grain isStraight to slightly interlocked , the textureMediumand the lusterMedium

Natural durability: Prone to blue stain, Very durable

Odor: No distinct odor or taste

Drying Defects: Distortion, Slight warping and checking during air-season

Ease of Drying: Thick Stock Requires Care

Boring: May occasionally be fuzzy

Carving: Good results

Cutting Resistance: Saws without difficulty

Mortising: Surfaces may be fuzzy

Moulding: Material responds well to moulding operations

Movement in Service: Material responds well to moulding operations

Planing: Surfaces are generally smooth, but may be occasionally fuzzy

Resistance to Impregnation: Heartwood and sapwood have more than adequate absorption and retention

Response to hand tools: Responds well to hand tools

Routing recessing: Good routing qualities

Sanding: Difficult to sand (expect < 50 out of 100 good to excellent results)

Turning: Yields fairly smooth surfaces

Polishing: Very Good to Excellent;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,46
Density 496 kg/m3
Bending Strength 658 785 kg/cm2
Crushing Strength 220 421 kg/cm2
Hardness 311 kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 130 131 1000 kg/cm2
Tangential Shrinkage 6 %
Radial Shrinkage 3 %
Weight 480 336 kg/m3
Maximum Load cm-kg/cm3
Toughness 94 cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 9361 11167 psi
Density 31 lbs/ft3
Hardness 686 lbs
Maximum Crushing Strength 3136 5998 psi
Stiffness 1851 1872 1000 psi
Toughness 82 inch-lbs
Specific Gravity 0.46
Weight 30 21 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 6 %
Volumetric Shrinkage 9 %

Weight=High
Surfaces may dent easily
Soft
Mars easilt
Does not wear well
Density=High
Density (dry weight) = 23-30 lbs/cu. ft.
Compression strength (parallel to grain) = medium
Bending strength in the air-dry condition (about 12%moisture content)is high-comparable to Teak

Bourdillon, T.F.,1908,The Forest Trees of Travancore,Travancore Government PressChudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Gamble, J.S.,1902,A Manual of Indian Timbers,Sampson Low, Marston & Co. LondonRecord, S.J. and R.W. Hess. 1943. Timbers of the New World. Published on the Charles Lathrop Pack Foundation, Yale University Press, New Haven CT.Whitmore, T.C.,1973,Tree Flora of Malaya A Manual for Foresters Volume 2,Forest Department Ministry of Primary Industries Malaysia
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