FAQ & Problem Solving I’m Having Trouble with Quick-Sil® There are two problems that new users sometimes have with Castaldo® QuickSil 2 – part RTV putty silicone molding rubber. The rubber may not become firm after the 15-minute cure time. Or the rubber becomes firm but the outside surface remains sticky and soft. Both complaints are …
FAQ & Problem Solving My Liquid Rubber Molds Become Soft & Unusable! Molds made of CASTALDO® LiquaCast® 0% shrinkage RTV molding rubber and similar compounds will last 2 to 4 years if properly stored away from heat, light and humidity. Exposure to atmospheric humidity will soften these molds and make them unusable. Molds made of …
FAQ & Problem Solving Why Won’t My LiquaCast® Mold Harden? Castaldo LiquaCast RTV jewelry molding rubber WILL CURE if the proportions have been mixed properly and cure temperatures are correct. Unlike traditional silicone rubber molding materials which allow wide latitude in mixing proportions, the proportions of LiquaCast Part A & Part B must be MEASURED PRECISELY. Proportions cannot …
FAQ & Problem Solving I Can’t Remove Bits of Rubber Stuck Behind Stones After Mold-making. If pieces of Castaldo® jewelry molding rubber become stuck behind stones in a metal model, the following techniques can be used to remove them. First, try to dislodge the rubber with tweezers, a pick or similar tool. If that does …
I Can’t Remove Bits of Rubber Stuck Behind Stones After Mold-making. Read More »
FAQ & Problem Solving How to Test Your Vulcanizer Most of the problems that jewelry mold makers experience with vulcanizing natural and silicone rubbers are the result of faulty or improperly set vulcanizing presses. If the temperature is too low the mold will not cure properly and will remain soft, gummy and easily deformed. If …
FAQ & Problem Solving Mold Making – Guide to Solving Common Mold Making Problems Mold Cutting A cold mold is somewhat harder to cut than a warm one. Change knife blades frequently. Blades will cut more easily if dipped occasionally in a solution of water and liquid household detergent. Dull blades are hard to cut …
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Golden River wax additive makes jewelry injection waxes flow like water. With Golden River wax additive, there is no need to change waxes or clean out your wax pot with all the work, mess and delay that it causes.
Castaldo Plast-O-Wax jewelry injection wax produces patterns that are very flexible, resilient and durable with great memory.
Patterns will not break despite rough handling which means fewer broken patterns and greater productivity.
Superior quality waxes for a full range of applications in a unique new form that provides extra convenience with easy identification.
Molds that normally require many parts to release complicated or difficult patterns can now be done easily and simply. High shine finish means less polishing.
Castaldo (A Division of) Goodwin Refractory Services Ltd
Spencroft Road,
Newcastle-under-Lyme,
Staffordshire,
ST5 9JE,
United Kingdom
Goodwin Refractory Services Limited is a company registered in England. Company number 1797882, VAT No. GB278923705.
Registered Office: Ivy House Foundry, Hanley, Stoke-on-Trent, Staffordshire, ST1 3NR, United Kingdom.
