Provided is a composite material in the form of a linear structure having a width, a length and a thickness and comprising a first component formed by a polymer and a second component formed by a reinforcing material. The first component comprises a thermoplastic polymer selected from the group of biodegradable polymers and mixtures thereof, and the second component comprises a woody material derived from platy or granular wood particles of deciduous and coniferous wood species, having a screened size of greater than 0.6 mm and up to 3.0mm, with the composite material being formable at a temperature of about 50 to 70 ºC. The composite material can be used as a blank for an orthopedic splint.