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CASTALDO Jewelry Molding Rubber has been the industry standard for more than 40 years. It continues to be the best jewelry molding rubber available for lost wax casting.
No Shrink Pink - Eliminates shrinkage without the need for expensive, messy, and time consuming liquid compounds. No-Shrink Pink can be combined with regular CASTALDO white or gold label for greatest economy. Since No-Shrink Pink requires special times, temperatures and procedures, experience, skill, and experimentation on the part of the user is required to achieve optimum results.
Mold Rubber sold in 5 lb. boxes