Common Name(s): Rubberwood, plantation hardwood, parawood, Malaysian oak Scientific Name: Hevea brasiliensis Distribution: Native to Brazil, but extensively cultivated in tropical regions, especially in Asia Tree Size: 75-100 ft (23-30 m) tall, 1-3 ft (.3-1 m) trunk diameter Average Dried Weight: 37 lbs/ft3 (595 kg/m3) Specific Gravity (Basic, 12% MC): .49, .59 Janka Hardness: 960 lbf (4,280 N) Modulus of Rupture: 10,420 lbf/in2 … Continue reading Rubberwood