Ferris Sprue Waxes

Fully refined to eliminate impurities, Ferris Wax Sprue Rods burn-out quickly without expansion or residue. Perfect for building even the most demanding sprue systems.

Ferris Sprue Rods are available in six time tested formulas and in 1/2", 3/8", 1/4" diameters, plus 6, 8, 10, and 12 gauge diameters. Standard lengths are 6" (152.4 mm) and packaged in 5 ounce (142 g) or 1 pound (454 g) boxes.

Ferris Sprue Waxes

Ferris Red Sprue (#12)
This is our most flexible wax sprue rod featuring a regular hardness and a low melting temperature.

Technical Data Sheet Safety Data Sheet

Ferris Yellow Sprue
Formerly known as Freeman Yellow Sprue, this formulation offers a similar flexibility to the Ferris Red Sprue, but with a higher melting temperature, making it more advantageous for certain applications.

Technical Data Sheet Safety Data Sheet

Ferris Green Sprue (#16)
This sprue is harder and tougher than Ferris Yellow, but more flexible than the Ferris Light Blue Sprue (#2571). Perfect as a main sprue for small and medium ring trees.

Technical Data Sheet Safety Data Sheet

Ferris Light Blue Sprue (#2571)
This is a less flexible sprue than our Red or Yellow sprue, most often preferred by those casting larger rings and other pieces of jewelry.

Technical Data Sheet Safety Data Sheet

Ferris Light Green Sprue (#2120M)
This is a medium hard sprue rod that is tougher and more rigid than Ferris Red or Yellow Sprue. Perfect for general-purpose casting.

Technical Data Sheet Safety Data Sheet

Ferris Green Sprue (#2112-J)
This is our hardest wax sprue rod, featuring our highest rigidity and stability. Ideal for the largest lost wax assemblies.

Technical Data Sheet Safety Data Sheet