Castaldo Super High Strength™

Superior Quality Medium Hardness Jewelry Molding Rubber

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Instruction Video

A brief video to show how to use Castaldo Super High Strength™.

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Superior Quality Molding Rubber

A superior quality medium hardness jewelry molding rubber with extreme tear and tensile strength for every application including spirals, cores, cut-outs & plugs as well as for general purpose use. 

Can be used with Econosil® on the outside for additional stiffness or on the inside for additional dimension stability. Can also be used with SuperStretch for cores and spirals.

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