Quebracho

Common Name(s): Quebracho, Quebracho Colorado, Red Quebracho

Scientific Name: Schinopsis spp.
(S. balansae, S. brasiliensis, S. lorentzii, S. quebracho-colorado)

Distribution: Tropical South America

Tree Size: 30-50 ft (9-15 m) tall, 1-3 ft (.3-1 m) trunk diameter

Average Dried Weight: 77 lbs/ft3 (1,235 kg/m3)

Specific Gravity (Basic, 12% MC): 1.03, 1.24

Janka Hardness: 4,570 lbf (20,340 N)

Modulus of Rupture: 20,540lbf/in2 (141.7 MPa)

Elastic Modulus: 2,407,000 lbf/in2 (16.60 GPa)

Crushing Strength: 12,080 lbf/in2 (83.3 MPa)

Shrinkage: Radial: 4.3%, Tangential: 8.2%, Volumetric: 13.1%, T/R Ratio: 1.9

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