Rapido™

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%.