Castaldo Quick-Sil Soft & Flexible Two Part RTV Silicone Putty Mold Rubber-1 Kg (2.2 Lbs.) Kit

Castaldo Quick-Sil Soft & Flexible is a two-part room temperature vulcanizing (RTV) silicone-molding putty that produces tough, strong, long-lasting production jewelry molds for lost wax casting with 0% shrinkage. This is the new softer version of Castaldo's popular Quick-Sil RTV Mold Rubber.  Softer in relation to the original formula, which is now branded as Firm & Flexible, see part number 122.613.

Castaldo Quick-Sil Soft & Flexible is safe, non-hazardous and non-toxic and does not produce unpleasant fumes or odors. It is easy to use - merely mix equal parts of part A and part B by hand. There is no need to measure precisely or vacuum in order to achieve optimum results. No need for vulcanizing but it does work best if the product is clamped under pressure like in a vise or an unheated mold press. Castaldo Quick-Sil Soft & Flexible comes with precise detailed instructions for use. 2.2 Lbs. (1 kilo) Kit.  

Castaldo Quick-Sil Soft & Flexible is designed to make molds for lost wax casting, but it can also be used for direct casting of low temperature metals such as lead, tin, pewter, etc.

Work time 1-2 minutes. Cure time approximately 15 minutes.

Castaldo Quick-Sil Soft & Flexible is intended for professional use only and only by persons familiar with jewelry casting techniques.