Rapido Jewelry Silicone Molding Rubber

Rapido Molds Are Ready in Only 15 Minutes!


Instruction Video
A brief video to show how to use Castaldo Rapido jewelry molding rubber.


Castaldo Rapido jewelry molding rubber is a VERY FAST version of our Super High Strength™, Econosil™ and other silicone jewelry molding rubbers that can speed up your work significantly.

It makes tough, strong production rubber molds in as little as 15 minutes. Rapido jewelry molding rubber gets your models into production fast!

Castaldo Rapido jewelry molding silicone rubber cures at 93°C / 200°F and makes molds with a rubber shrinkage rate of only 0.1%.

Castaldo Rapido is a soft clay or putty-like material that is easy to work with, and produces highly detailed wax injections with an extraordinarily shiny surface that requires less finishing. 

Waxes are self releasing and need no release spray or messy powder. Molds are easy to pack and cut like butter. Rubber shrinkage is only 0.1%.

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