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Silicone Rubber - Platinum Cure

Use PlatSil® Liquid Silicone Rubbers to make your own silicone molds and silicone parts.

PlatSil® rubbers are platinum-cured (also known as addition-cure), room temperature-curing silicones (RTV) that are used to make flexible, high-strength molds and parts. PlatSil® molds are often selected over other mold materials (e.g., polyurethane rubbers) because of their excellent release properties. They also exhibit long library life and low shrinkage on cure compared to other mold material options.

PlatSil® molds are excellent for casting polyurethane, epoxy and polyester resin, polyurethane foam, wax, plaster, soap, concrete, and more. Release agent is generally not needed to cast any of these materials.

These rubbers are commonly used in Sculpture & Foundry, PrototypingArchitectural Reproduction & RestorationFoam, Plastic Plaster Millwork & OrnamentationTheming & DisplayCandle Making, Craft & Hobby projects, and some Concrete Casting applications.

Looking for skin-safe PlatSil® Gel Silicones? Visit the PlatSil® Gel page.

View all product options within this series under "Product Options" below: