Virtually bubble-free and ultra-low viscosity resin, ideal for capturing detail. When cured Smooth-Cast castings are bright white, tough and durable. They can be painted and resist moisture, mild solvents, moderate heat and dilute acids. Likewise, they can withstand being machined, primed and bonded to other surfaces. Comes in a two part kit to be mixed in a 1:1 volume ratio to activate. We stock two types of Smooth-Cast; Smooth-Cast 300 is fast setting whilst Smooth-Cast 305 is medium setting