22.606 = Quick-Sil Soft Castaldo Two Part RTV Putty 100g Kit 22.606 = Quick-Sil Soft Castaldo Two Part RTV Putty 100g Kit
22.606 = Quick-Sil Soft Castaldo Two Part RTV Putty 100g Kit 22.606 = Quick-Sil Soft Castaldo Two Part RTV Putty 100g Kit

22.606 = Quick-Sil Soft Castaldo Two Part RTV Putty 100g Kit

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Article number: 22.606
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Castaldo® Quick-Sil is a revolutionary new 0% shrinkage firm jewelry molding rubber material that makes tough, long-lasting production molds with a high-shine finish ALMOST INSTANTLY. 

Quick-Sil Soft is blue in color to differentiate it from the green Quick-Sil Firm.

No careful measuring 
No messy liquids 
No unpleasant smells
No 12-24 hour wait for finished molds 
No vulcanizer needed 
No release sprays -- it's self-lubricating
Non-hazardous and non-toxic

Castaldo® QuickSil® molds are not weak, delicate prototypes that can be used only once or twice. They can produce dozens or hundreds of injections, depending on the complexity of the design. They do not deteriorate or become soft over time but instead last for decades.

QuickSil makes production molds but is also ideal for short runs or the last-minute emergencies that are typical in any jewelry manufacturing business.

QuickSil is a two-part room temperature vulcanizing (RTV) silicone rubber putty that is easily mixed by hand. It is not a liquid rubber, making it ideal for those without a vulcanizer or a vacuum pump.

Molds cure ready-to-use with 0% rubber shrinkage in only 15 minutes at room temperature.


Castaldo® QuickSil® is the easy way to make molds and cast a wide variety of objects. Because of its heat resistance low-temperature metals such as pewter and lead can be poured directly into the rubber molds. Other common casting materials include injection wax, resin compounds, ceramic materials, soap and candle wax.

QuickSil is ideal for use with metal clay, either to make a mold of an existing object and then reproduce it or to mold an original creation made in metal clay for further reproduction. 

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