Urethane Resins

A wide variety of liquid plastic casting resins used for hundreds of different applications. Good for industrial, art-related and hobbyist projects, they are available as rigids or semi-rigids. These plastics are used for making detailed models & prototypes, props and industrial parts. Colors and/or fillers can be added for an infinite variety of casting effects.
Urethane Resins

Smooth-CastTM Series

Easy to use and available as either rigid or semi-rigids. You can add different colors and/or fillers for an infinite variety of mind-blowing effects.

TASKTM Performance Plastics

Developed with select applications in mind such as heat distortion temperatures, strength in ultra-thin sections, high impact or abrasion resistance or resistance to fire.

Plasti-Paste™

Trowelable plastic paste designed for vertical surface application.

Shell ShockTM Series

Thixotropic plastic that self thickens when mixed and can be brushed onto a variety of surfaces or into rubber molds.

Feather Lite™

Heavily filled low-density urethane casting resin. So lightweight it floats in water!

KX Flex™ Series

Fast setting two-component urethane that cure quickly to semi-rigid, highly impact resistant elastomer.

SimpactTM Series

Fast-setting elastomers which offer very high tear strength, impact resistance and wear resistance.

EZ~SprayTM StyrocoatTM

Flame Rated Sprayable Plastic Coating

EZ~Spray™ Plastic

Spray plastic specifically formulated to be mixed and sprayed via Smooth-On’s EZ~Spray™ Jr. Spray System.

SMASH! PlasticTM

Liquid plastic designed to shatter/crumble on impact “breakaway glass”.

Urethane Resin Accessories

Additives compatible with Smooth-On Urethane Resins Designed for altering and enhancing their characteristics and performance.

Not sure which product is right for your project?