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Castanna sapucaia
Castanna sapucaia (Lecythis paraensis)

Family: Lecythidaceae

Common names: Castanna sapucaia, Jacapucaio, Paradise nut, Quatele, Sapucaia

Distributed in: Brazil, Nicaragua (Central America, Latin America)

Common uses: Agricultural implements, Boat building: framing, Bridge construction, Heavy construction, Joinery, Marine construction, Piling, Railroad ties, Sporting Goods, Tool handles, Wharf construction

Tree size: Tree height is 40-50 m

Colors: the heart isOrange, YellowThe grain isStraight, the textureFine

Natural durability: Resistant to marine borers, Resistant to termites

Silica Content: High

Kiln Schedules: Drying (speed) is fast

Drying Defects: Slight surface checking, Slight twist/warp

Ease of Drying: Moderately Difficult to Difficult

Blunting Effect: High to severe

Boring: Moderately easy

Cutting Resistance: Cutting Resistance with green wood is moderate

Planing: Very Good to Excellent

Response to hand tools: Moderate working qualities



  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density kg/m3
Bending Strength 1212 1765 kg/cm2
Crushing Strength 595 827 kg/cm2
Hardness 1333 kg
Impact Strength cm
Shearing Strength 200 kg/cm2
Stiffness 166 193 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 5 %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 17241 25113 psi
Hardness 2940 lbs
Maximum Crushing Strength 8467 11767 psi
Shearing Strength 2847 psi
Stiffness 2373 2752 1000 psi
Radial Shrinkage 5 %
Tangential Shrinkage 7 %

Shearing strength (parallel to grain) = high
Hardness (side grain) = very hard
Shrinkage, Tangential = moderate
Shrinkage, Radial = fairly large
Modulus of Elasticity (stiffness) = very high
Modulus of Elasticity (stiffness) = high
Max. crushing strength = high
Max. crucshing strength = very high
Bending strength (MOR) = very high
Bending strength (MOR) = high

Almeida, D.G. de, Costa, J.R. da,1956,Madeiras do Brasil. (Timbers of Brazil.,Min. Ag. Servico de Economia Rural, Rio de Janeiro, Brazil,pp56Edmondson, C.H.,1949,Reaction of Woods from S.America and Caribbean areas to Marine Borers in,Hawaiian Waters,Caribbean Foresters,10(1,PP37-41Longwood, F.R.,1962,Commercial Timbers of the Caribbean,U.S.A. Department of Agriculture, Agriculture Handbook,No.207Volkart, C.,1965,Recopilacion dedatos sobre propiedacies y usos maderos del Bosque Tropical,de las Costa Atlantica de Nicaragua,Turrialba,15(1, pp43-57Wangaard, F.F., et al,1954,Properties and Uses of Tropical Woods 4,Tropical Woods,14(99, pp1-187
*Come interpretare i dati (manleva su eventuali imprecisioni)