Bridging the gap in hardness between the 2-S2 and 9 Red, this blue sprue wax was designed for use as runner bars and vent sprues.

Ferris Sprue Waxes are designed to burn-out quickly without expansion or residue and are fully refined to eliminate impurities. With 6 unique formulas to choose from, youll find the perfect range of sprues for building even the most demanding trees and sprue systems.

SDS