Mold material : Castaldo 2 part molding putty / 1set

Castaldo Quick-Sil is a two-part RTV (room temperature vulcanizing) silicone molding putty that produces strong production silicone rubber jewelry molds. The easy-to-use putty works great for lost wax casting and can also be used for direct casting of low-temperature metals such as pewter and tin. Simply mix equal amounts of Part A and Part B to produce finished jewelry molds. With a 1-2 minute working time, non-toxic Quick-Sil molding compound has a cure time of only 15 minutes with 0% shrinkage. Great for use with Art Clay®, BRONZclay™, COPPRclay™, Apoxie® Sculpt and Kato Polyclay™. Includes instructions. Made in the USA.