How does it work?
The PMC™-121 Series polyurethane rubbers feature convenient one-to-one by volume mix ratios. PMC™-121/30 Dry is exceptionally strong and abrasion resistant for soft polyurethane mould rubbers. It does not exude oil and can be used for casting waxes, Smooth-On liquid plastics, gypsum plasters and other materials.
PMC™-121 Series mould rubbers are easy to mix and pour and are exceptionally strong. They are suited for a variety of applications including making moulds to reproduce sculpture and architectural elements, as well as for making special effects, toys and prototypes. These rubbers will meet the stringent demands of production casting of wax, plasters, concrete, resins and epoxies. Vibrant colours can be achieved by adding So-Strong™ Colour Tints, available from Smooth-On.
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