This Castaldo® White Label® is a durable, slightly stiffer natural mold rubber; ideal for flat pieces and those that require a stiffer mold. The high concentration of pure rubber makes it pliable and durable, two characteristics that will elevate your mold-making process. All Castaldo® natural organic mold rubbers require a release agent.
Castaldo®—known throughout the jewelry industry for performance, dependability and value—manufactures mold rubber trusted the world over.
Sold in a 5-lb. roll.