Castaldo products are manufactured in an ISO 45001:2018 and ISO 9001 Quality Management accredited company that continually invests in R&D and understands the requirement of close customer relationships combined with a world class technical support network.
In each of our five manufacturing locations we have locally based highly trained quality control and technical sales teams which offers a bespoke service to our customers supported by the UK headquarters.
Silicone Jewelry Molding Rubber
All Castaldo Silicone Jewelry Molding Rubbers make superior quality molds that are tough, strong, easy to pack, easy to cut and easy to use.
Natural Jewelry Molding Rubber
Castaldo White & Gold Label Natural Rubber makes very strong and flexible molds.
Conveniently packaged in either 50lb (22.7kg) or 5lb (2.27kg) rolls.
RTV Silicone Molding Rubber
RTV silicone is a liquid silicone compound that cures at room temperature to form a flexible rubber. The term RTV is means Room Temperature Vulcanising.