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Fornitori

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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Tel.: +39 456 5664 54

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Ditta 0
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Tel.: +39 456 5664 54

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Paag
Paag (Schinopsis lorentzii)

Family: Anacardiaceae

Common names: Paag, Quebracho, Quebracho colorado, Quebracho cornillo, Real quebracho, Santiagueno, Soto negro

Distributed in: Argentina, Bolivia, Brazil, Paraguay (Latin America)

Common uses: Axles, Bridge construction, Flooring, Flooring: industrial heavy traffic, Fuelwood, Handles: general, Heavy construction, Joinery, Ladders, Light construction, Marine construction, Mine timbers, Piling, Poles, Posts, Railroad ties, Sporting Goods, Turnery, Vehicle parts

Colors: the heart isReddish brown, Yellowand the sapwoodWhite to yellow, Yellow.The grain isStriped figure, the textureMediumand the lusterSlightly lustrous

Natural durability: Susceptible to attack from powder post (Lyctid & Bostrychid) beetles, Very durable

LightInduced Color Change: Darker

Drying Defects: Severe twisting/warping, Splitting

Ease of Drying: Thick Stock Requires Care

Tree Identification: Bole/stem form is straight

Boring: Fairly difficult to very difficult

Carving: Fairly Difficult to Very Difficult

Cutting Resistance: Easy to saw

Gluing: Fairly Easy to Very Easy

Mortising: Fairly Difficult to Very Difficult

Moulding: Poor moulding

Movement in Service: Poor moulding

Nailing: Possible if prebored, Pre-Boring Recommended

Planing: Fairly Difficult to Very Difficult

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Responds Poorly

Routing recessing: Fairly Difficult to Very Difficult

Screwing: Possible if prebored ; Turning: Fairly Difficult to Very Difficult

Polishing: Satisfactory; Staining: Finish is generally good ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity
Density 913 kg/m3
Bending Strength 954 1473 kg/cm2
Crushing Strength 485 699 kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 152 175 1000 kg/cm2
Tangential Shrinkage %
Radial Shrinkage %
Weight kg/m3
Maximum Load cm-kg/cm3
Toughness cm-kg
Static Bending kg/cm2
Item Green Dry English
Bending Strength 13576 20956 psi
Density 57 lbs/ft3
Maximum Crushing Strength 6899 9945 psi
Stiffness 2167 2494 1000 psi
Weight 57 56 lbs/ft3

Density (dry weight) = 67-75 lbs/cu.ft 0
Density (dry weight) = >75 lbs/cu. ft 1
Density (dry weight) = 61-67 lbs/cu. ft
Modulus of Elasticity (stiffness) = high
Max. crushing strength = high
Bending strength (MOR) = high

Berni, 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 ResearchHoward, A.L.,1948,A Manual of Timbers of the World.,Macmillan & Co. Ltd. London 3rd ed.Kryn, J.M.,1954,Quebracho, Quebracho Colorado, Quebracho Macho-Schinopsis lorentzii Engl,and Schinopsis balansae Engl,U.S.A. Department of Agriculture, Forest Products Laboratory, Madison,Information Leaflet, Foreign Woods Report No 1969Patterson, D.,1988,Commercial Timbers of the World, 5th Edition,Gower Technical PressRecord, S.J., Hess, R.W.,1943,Timbers of the New World,Yale University PressRecord, S.J.,1939,American Woods of the Family Anacardiaceae,Tropical Woods,8(60,pp11-45Tortorelli, L.,1956,Maderas y Bosques Argentinos,Editorial Acme S.A.C.I. Buenos AiresWoods, R.P.,1949,Timbers of South America,TRADA, Red Booklet Series
*Come interpretare i dati (manleva su eventuali imprecisioni)