Smooth-On Smooth-Cast Urethane Resins

Say goodbye to vacuum degassing. Our Smooth-On Smooth Cast urethane resins are ultra-low viscosity so they produce virtually bubble-free results!

When you need brilliant white castable urethane resin for small to medium-size projects like prototypes, special effects, décor, reproductions, and other items, there’s no better choice.

Fast Casting Urethane Resin

Smooth-On’s fast cast urethane resins are extremely affordable and cure quickly, so they make an economical solution for many industrial, commercial, and hobby applications.

De-mould times vary between 15 minutes and 4 hours
Bright white and colour neutral options
Easily add your own pigments
Low to no odour options are ideal for at-home projects
Easy to mix with a 1:1 ratio
Low density option that float in water

Once cured, fast cast urethane delivers unbeatable impact resistance and durability – perfect for high-impact tools, foundry parts, concrete stamping pads, and abrasion-resistant pieces in industrial applications.

Casting urethane resin is also suitable for jewellery beads, props, decorative items, and everything else that demands semi-rigid plastic.

Not sure if this is the right casting material? Choose a castable urethane rubber trial kit before you stock up.

Browse our urethane casting resins below and find the perfect solution for your project!

show less

Showing 1–16 of 17 results

Sale!