Brazilwood

Common Name(s): Brazilwood, Pernambuco Scientific Name: Paubrasilia echinata (syn. Caesalpinia echinata) Distribution: Brazil Tree Size: 30-50 ft (9-15 m) tall, 2-3 ft (.6-1 m) trunk diameter Average Dried Weight: 61 lbs/ft3 (980 kg/m3) Specific Gravity (Basic, 12% MC): .76, .98 Janka Hardness: 2,820 lbf (12,540 N) Modulus of Rupture: 26,010 lbf/in2 (179.4 MPa) Elastic Modulus: 2,544,000 lbf/in2 (17.55 GPa) Crushing Strength: No data available Shrinkage: Radial: 5.1%, Tangential: 8.1%, Volumetric: 13.3%, T/R Ratio: 1.6 Color/Appearance: Heartwood is a yellowish orange, sometimes a darker reddish brown. Whitish yellow sapwood is clearly demarcated. Grain/Texture: Grain is usually straight, though sometimes interlocked. Has a fine, even texture with a good natural luster. Endgrain: Diffuse-porous; solitary and radial multiples; medium pores in no specific arrangement, moderately numerous; heartwood mineral/gum deposits occasionally present; parenchyma vasicentric, aliform (lozenge), confluent, and marginal; narrow rays, spacing normal. Rot Resistance: Brazilwood is rated as very durable regarding decay resistance. Workability: Despite its high density, Brazilwood is reported to have good workability, responding well to machining and shaping operations. Odor: No characteristic odor. Allergies/Toxicity: Although severe reactions are quite uncommon, Brazilwood has been reported to cause skin irritation, as well as a number of other effects, such as headache, nausea, swelling skin, and blisters. See the … Continue reading Brazilwood