Ferris File-A-Wax carving wax blocks can be used for making models to be reproduced by the lost wax casting process. They can be sawed, filed or carved. Will stand rough handling and will not soften in your hands.
Approximate melting point: 116°C/ 240°F
Available in three degrees of hardness, designated by color:
#21.310 --- Blue --- Will bend 90° in 1/8" thickness
#21.311 --- Green --- Cannot be flexed
#21.312 --- Purple --- Some flexibility