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Ditta 5
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

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Ditta 4
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Ditta 3
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Ditta 2
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Ditta 1
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Ditta 0
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Cedre gris
Cedre gris (Vochysia tetraphylla)

Family: Vochysiaceae

Common names: Cedre gris, Grignon fou, Iteballi, Kwari, Lorjena, Quaruba, Watrakwari

Distributed in: Brazil, French Guiana, Guyana, Venezuela (Latin America)

Common uses: Boxes and crates, Canoes, Concrete formwork, Furniture, Light construction, Plywood corestock, Plywood

Environment profile: Questionable

Tree size: Trunk diameter is 100-150 cm

Colors: the heart isRed, Yellow to golden-yellow to orangeand the sapwoodWhite to yellow, Yellow.The grain isStraight, the textureUniformand the lusterPronounced

Natural durability: Susceptible to insect attack, Very durable

Odor: Has an odor

Kiln Schedules: Uk=A US=T2D4/T2D3 Fr=1

Kiln Drying Rate: Naturally dries slowly

Drying Defects: Severe twisting/warping, Splitting

Ease of Drying: Thick Stock Requires Care

Tree Identification: Bole/stem form is straight

Comments: General finishing qualities are rated as good

Blunting Effect: High to severe

Boring: Fairly difficult to very difficult

Carving: Fairly Difficult to Very Difficult

Cutting Resistance: Fairly Difficult to Very Difficult to saw

Gluing: Fairly Difficult to Very Difficult

Mortising: Fairly Difficult to Very Difficult

Moulding: Fairly Difficult to Very Difficult

Movement in Service: Fairly Difficult to Very Difficult

Nailing: Poor to Very Poor , Very Good to Excellent

Planing: Planes to a poor finish

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Fairly Difficult to Difficult to Work

Routing recessing: Fairly Difficult to Very Difficult

Sanding: Fair to Good Results

Veneering qualities: Easy to cut, Good gluing qualities

Screwing: Fairly Difficult to Very Difficult, Very Good to Excellent Results; Turning: Poor results

Painting: Good; 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
Density 528 kg/m3
Bending Strength 485 761 kg/cm2
Crushing Strength 275 449 kg/cm2
Hardness 451 kg
Impact Strength cm
Shearing Strength 85 kg/cm2
Stiffness 71 84 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage 3 %
Weight 512 400 kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 6911 10833 psi
Density 33 lbs/ft3
Hardness 995 lbs
Maximum Crushing Strength 3916 6397 psi
Shearing Strength 1221 psi
Stiffness 1017 1199 1000 psi
Weight 32 25 lbs/ft3
Radial Shrinkage 3 %
Tangential Shrinkage 9 %

Density (dry weight) = 31-37 lbs/cu. ft.
Density (dry weight) = 38-45 lbs/cu. ft.
Bending strength (MOR) = low
Modulus of Elasticity (stiffness) = very low
Hardness (side grain) = soft
Density (dry weight) = 23-30 lbs/cu. ft.
Crushing strength = medium
Shrinkage, Tangential = large
Shrinkage, Tangential = fairly large
Shrinkage, Radial = very small
Shrinkage, Radial = small
Shearing strength (parallel to grain) = very low
Shearing strength (parallel to grain) = low
Bending strength (MOR) = medium

Acosta-Solis, M.,1960,Maderas Economicas del Ecuador y sus Usos,Editorial Casa de la Culhra Ecuatoriana QuitoBrown, W.H.,1978,Timbers of the World, No. 2 South America,TRADA, Red Booklet SeriesErfurth, 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.1Farmer, R.H.,1972,Handbook of Hardwoods,HMSOFrance - C.T.F.T./C.T.B.,1982,Guide pour le Choix des Essences Deroulables-pour la fabrication du,contreplaque,C.T.F.T./C.T.B. FranceTakahashi, 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.4Vink, A.T.,1965,Surinam Timbers,Surinam Forest Service Paramaribo,3rd rev. ed.
*Come interpretare i dati (manleva su eventuali imprecisioni)