Cumaru is also commonly referred to as Brazilian Teak, Golden Teak, Southern Chestnut or Tonka Bean.
average dried weight: 68 pounds per cubic foot
janka hardness: 3,330 pounds-force
modulus of rupture: 25,390 pounds-force per square inch
elastic modulus: 3,237,000 pounds-force per square inch
crushing strength: 13,850 pounds-force per square inch
Color and Durability
Cumaru heartwood tends to be a medium to dark brown, sometimes with a reddish or purplish hue; some pieces may have streaks of yellowish or greenish brown.
Cumaru has excellent durability and weathering properties. The wood is rated as very durable regarding decay resistance. It is 8.3 times harder than Pine.