Tasmanian Blackwood Acoustic Back & Sides | Dreadnought | AAA | 0028

Common Name(s): Australian blackwood, Tasmanian blackwood, Acacia blackwood

Scientific Name: Acacia melanoxylon

Distribution: Native to Tasmania and eastern Australia; also introduced to Africa, South America, and southern Asia

Tree Size: 65-100 ft (20-30 m) tall,

2-3 ft (.6-1 m) trunk diameter

Average Dried Weight: 40.0 lbs/ft³ (640 kg/m³)

Specific Gravity (Basic, 12% MC): 0.54, 0.64

Janka Hardness: 1,160 lb_f (5,180 N)

Modulus of Rupture: 15,020 lb_f/in² (103.6 MPa)

Elastic Modulus: 2,148,000 lb_f/in² (14.82 GPa)

Crushing Strength: 7,770 lb_f/in² (53.6 MPa)

Shrinkage: Radial: 3.9%, Tangential: 7.9%,

Volumetric: 11.9%, T/R Ratio: 2.0