Castaldo Quick-Sil Soft & Flexible Two Part RTV Silicone Putty Mold Rubber-1 Kg (2.2 Lbs.) Kit Polishing Equipment Testing Range Up to 31

Testing Range Up to 31 colored gemstones Probe 0

Criss-cross shank solitaire design

or work-harden edges with controlled

Motor requirement: Must be used with a Low Speed High Torque Foredom motor to protect the duplex spring and ensure proper operation

Castaldo Quick-Sil Soft & Flexible Two Part RTV Silicone Putty Mold Rubber-1 Kg (2.2 Lbs.) Kit Polishing Equipment Testing Range Up to 31Castaldo Quick Sil Soft & Flexible is a two part room temperature vulcanizing (RTV) silicone putty that produces tough, strong, long lasting production jewelry molds for lost wax casting with 0% shrinkage. This is the newer, softer version of Castaldo's popular Quick Sil RTV Mold Rubber softer in relation to the original formula, which is now designated as Firm & Flexible (see part number 122. 613). Safe, non hazardous, and non toxic, Castaldo Quick