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Ditta 5
Indirizzo: via dei platani 4 liguria
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Chicha
Chicha (Sterculia apetala)

Family: Sterculiaceae

Common names: Anacaguita, Anacahuita, Bellota, Cacaguillo, Camajonduro, Camajuru, Camarcu, Camoruco, Catsano, Chiapas, Chica, Chicha, Cicha, Panama, Panama-tree, Pate de danta, Pistache des Indes, Sunsun

Distributed in: Brazil, Columbia, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, Panama, Peru, Puerto Rico, Venezuela (Central America, Latin America)

Distribution overview: The growth range of the species extends from southern Mexico through Central America to Peru and Brazil. It is also cultivated for its edible fruits and as a source of honey in several tropical areas.

Common uses: Boxes and crates, Canoes, Interior construction, Millwork, Particleboard, Plywood

Environment profile: Unknown status in natural growth range due to inadequate inofrmation

Tree size: Tree height is 30-40 m

Colors: the heart isWhite, Yellowish brownand the sapwoodWhite to yellow, Yellow.The grain isStraight to irregular, the textureMediumand the lusterMedium

Natural durability: Susceptible to insect attack, Very little natural resistance

Odor: No specific smell or taste

Kiln Schedules: Dry at a slow speed

Kiln Drying Rate: Naturally dries quickly

Drying Defects: Distortion, Severe collapse and honeycomb

Ease of Drying: Responds well to slow air-seasoning

Tree Identification: Bole/stem form is buttressed

Nailing: Fairly Easy to Very Easy, Very Good to Excellent

Planing: Finished surfaces may be fuzzy

Resistance to Impregnation: Heartwood is permeable

Response to hand tools: Easy to machine

Sanding: Very Good to Excellent Results


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 0,37
Density 432 kg/m3
Bending Strength 246 379 kg/cm2
Crushing Strength 17 24 kg/cm2
Hardness 193 kg
Impact Strength cm
Shearing Strength 50 kg/cm2
Stiffness 70 84 1000 kg/cm2
Tangential Shrinkage 7 %
Radial Shrinkage 3 %
Weight 400 368 kg/m3
Maximum Load 0,14 0,21 cm-kg/cm3
Toughness 54 cm-kg
Static Bending 211 320 kg/cm2
Item Green Dry English
Bending Strength 3510 5403 psi
Crushing Strength 255 343 psi
Density 27 lbs/ft3
Hardness 427 lbs
Maximum Crushing Strength 2161 4113 psi
Shearing Strength 715 psi
Static Bending 3009 4557 psi
Stiffness 1009 1199 1000 psi
Toughness 47 inch-lbs
Work to Maximum Load 2 3 inch-lbs/in3
Specific Gravity 0.37
Weight 25 23 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 7 %
Volumetric Shrinkage 9 %

Modulus of Elasticity (stiffness) = very low
Max. crushing strength = low
Bending strength (MOR) = very low
Density (dry weight) = 23-30 lbs/cu. ft.
Weight = light
Shrinkage, Tangential = fairly large
Shrinkage, Radial = small
Resistance to denting and marring is low
Hardness (side grain) = very soft
Hardness (side grain) = soft
Density (dry weight) = 31-37 lbs/cu. ft.
Compression strength (parallel to grain) = low
Bending strength (MOR) = low

Chudnoff, 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 DepartmentLittle, E.L., Wadsworth, F.H.,1964,Common Trees of Puerto Rico and the Virgin Islands,U.S.A. Department of Agriculture, Agriculture Handbook,No.249Takahashi, 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)