Balsa block
Balsa (Ochroma pyramidale)
Common names: Balsa
Distribution : Tropical regions of the Americas; also grown on plantations
Color/appearance : Heartwood tends to be a pale reddish brown color, though it is not commonly seen in commercial lumber. Most boards/blocks of Balsa are from the sapwood, which is a white to off-white or tan color, sometimes with a pink or yellow hue.
Janka hardness: 67 lbf
Density: 0.75 lbf
Allergies/Toxicity: Although severe reactions are quite uncommon, Balsa has been reported to cause skin irritation.
Sustainability: CITES: No, IUCN: No
Common Uses: Buoys, rafts, surfboards, model airplanes , musical instruments, packing/transport cases, core stock in sandwich laminations, and fishing lures.