Using Smooth-On's exclusive "V-Polymer" technology, VytaFlex® urethane rubbers offer superior physical and performance properties. VytaFlex® urethanes feature convenient one-to-one by volume mix ratios. Vacuum degassing is not necessary and VytaFlex® rubbers cure with negligible shrinkage to a durable rubber that will last in production.VytaFlex® mold rubbers are used for a variety of applications including making molds to reproduce sculpture and architectural elements, as well as for making special effects, toys and prototypes. Vibrant colors can be achieved by adding So-Strong® Color Tints, available from Smooth-On.

VytaFlex® mold rubbers work especially well for casting pigmented / colored concrete. Molds made with VytaFlex® Series urethanes will render accurate and uniform colored castings.


VytaFlex® 10 - Shore 10A hardness

VytaFlex® 20 - Shore 20A hardness

VytaFlex® 30 - Shore 30A hardness

VytaFlex® 40 - Shore 40A hardness

VytaFlex® 50 - Shore 50A hardness

VytaFlex® 60 - Shore 60A hardness