Injecting Castaldo LiquaGlass molds is easy because you can SEE the wax as it is injected!

• 0% Shrinkage RTV.
• Not an expensive hard-to-mix silicone rubber!
• Not an amateur “bake in the oven” material!
• Makes strong, flexible, easy to cut molds.
• Inexpensive and easy to use 1:1 mix ratio.
• Clear as Glass.
• Thin, easy to pour and mix, Castaldo® LiquaGlass® molds are easy to make because you can SEE what you are cutting!


LiquaGlass 0% shrinkage CLEAR liquid RTV jewelrymolding rubber makes strong, tough, flexible production molds at only a fraction of the price of clear silicone rubbers.  LiquaGlass is easy to measure, de-bubble.  LiquaGlass cures at room temperature in 24 hours with 0% shrinkage.  LiquaGlass is packaged in a 1 kg. / 2.2 lb. kit containing equal parts A & B. in an attractive consumer-oriented carton that is easy to handle and easy to ship.