Quick view Solid Solutions Solid Cast 660 Polyurethane Casting Resin 1:1 - 1L Kit Now: $54.95 MSRP: Was: Experience precision casting with the Solid Cast 660 Polyurethane Casting Resin 1:1 - 1L Kit. This exceptionally fluid, light amber resin pours effortlessly into molds, capturing the finest details with ease. Its low odor and natu… Add to Cart The item has been added Add To Compare