Wood inspector

Sei in: home » database dei legni
  • Decrease font size
  • Default character size
  • Encrease font size


Fornitori

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

Sito web: www.pippo.it
E-mail: 
Ditta 4
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 3
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 2
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 1
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 
Ditta 0
Indirizzo: via dei platani 4 liguria
Tel.: +39 456 5664 54

Sito web: www.pippo.it
E-mail: 

Contatti

database dei legni


Ask informationsPrint pageSend to a friend
Quebracho
Quebracho (Schinopsis spp.)

Family: Anacardiaceae

Common names: Barauna, Brauna, Quebracho, Quebracho chaqueno, Quebracho colorado, Quebracho hembra, Quebracho macho, Quebracho moro, Quebracho santiagueno

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

Distribution overview: reported to grow in Northern Argentina, western Paraguay and a small region of Bolivia. It is also reported to occur in the of Bahia in Brazil.

Common uses: Bridge construction, Construction, Crossties, Fuelwood, Posts, Tannin, Utility poles

Product sources: Supplies are very limited and Quebracho is generally difficult to obtain, since only small quantities are exported.Refer to the Resources of the database for the names and contact information of several suppliers and importers of timber and other wood products in the U.S. and abroad.

Environment profile: Status has not been officially assessed

Tree size: Trunk diameter is 300-350 cm

Colors: the heart isPurple, Redand the sapwoodYellow, Yellowish.The grain isIrregular, usually roey , the textureUniformand the lusterLow to medium

Natural durability: Susceptible to insect attack, Very durable

Odor: Indistinct odor

Kiln Schedules: T1-B1(4/4)Us

Kiln Drying Rate: Naturally dries quickly

Drying Defects: Internal Honeycombing Possible, Uneven Moisture Content

Ease of Drying: Thinner stock is highly prone to degrade

Comments: Contains 20-30% tannin and the tree was primarily used as a source for tannin Quebracho logs were exported to the U.S. and Europe where the tannin was extracted

Blunting Effect: Little

Boring: Fairly easy to very easy

Cutting Resistance: Easy to saw

Gluing: Very Good to Excellent Results

Mortising: Very Good to Excellent

Moulding: Very Good to Excellent

Movement in Service: Very Good to Excellent

Nailing: Pre-Boring Recommended, Very Good to Excellent

Planing: Very difficult to work with ordinary tool in most machining operations

Resistance to Impregnation: Resistant sapwood

Response to hand tools: Fairly Difficult to Difficult to Work

Routing recessing: Very Good to Excellent Results

Veneering qualities: Difficult to veneer, Suitable for peeling

Steam bending: Fair to Good Results

Screwing: Pre-boring recommended, Very Good to Excellent Results; Turning: Very Good to Excellent Results

Painting: Very Good to Excellent; Polishing: Takes a high natural polish ;

  • Numerical data Metric
  • Numerical data English
  • Strength properties
  • References
Item Green Dry Metric
Specific Gravity 0,98 1,21
Density 1185 kg/m3
Bending Strength kg/cm2
Crushing Strength kg/cm2
Hardness kg
Impact Strength cm
Shearing Strength kg/cm2
Stiffness 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
Density 74 lbs/ft3
Specific Gravity 0.98 1.21
Weight 73 60. lbs/ft3

Exceptionally heavy
Weighing much more than White oak or Teak. The wood is a sinker

Boone, R.S., C.J. Kozlik, P.J. Bois and E.M. Wengert. 1988. Dry Kiln Schedules for Commercial Woods: Temperate and Tropical. United States Department of Agriculture, Forest Service, Forest Products Laboratory, General Technical Report FPL-GTR-57, Madison, Wisconsin.Chichignoud, M., G. Deon, P. Detienne, B. Parant, and P. Vantomme. 1990. Tropical Timber Atlas of Latin America. Prepared for International Tropical Timber Organization (ITTO) by Centre Technique Forestier Tropical (CTFT, Division of CIRAD, 45bis, Avenue de la Belle Gabrielle, Nogent-sur-Marne Cedex, France.Chudnoff, M.,1984,Tropical Timbers of the World,U.S.A. Department of Agriculture, Forest Service, Forest Products,Laboratory, Madison.Kline, M. 1981. Schinopsis lorentzii - Quebracho. In A Guide to Useful Woods of the World. Flynn Jr., J.H., Editor. King Philip Publishing Co., Portland, Maine. 1994. Page 325-326.Kribbs, D.A. 1959. Commercial Foreign Woods on the American Market. Buckhout Lab., Dept. of Botany, The Pennsylvania State University, University Park, Pennsylvania.Patterson, D. 1988. Commercial Timbers of the World. Fifth Edition. Gower Technical Press, Aldershot, UK. ix + 339 pp.Titmuss, F.H. 1965. Commercial Timbers of the World. Third Edition (Enlarged of A Concise Encyclopedia of World Timbers). The Technical Press Ltd., London.
*Come interpretare i dati (manleva su eventuali imprecisioni)