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.
Available in three degrees of hardness, designated by color, and in a variety of shapes.
Characteristics Table
| Wax Colour | Flexibility Characteristics | Approximate Melting Point |
| Green | Cannot be flexed | 240°F (116°C) |
| Purple | Some flexibility | 240°F (116°C) |
| Blue | Will bend 90° in 1/8" (3.2mm) thickness | 240°F (116°C) |
Matt and Ferris tube products waxes both have the same colour coding.
