Clear casting resin is designed for deep molds and castings. use it to embed or encase almost any object in crystal clear plastic.. See our tutorials and videos on how to use ca glue from satellite city instant glues in applications such as pen finishing, pointe shoe strengthening, fiberglassing. Clear epoxy resin . people often as about clear epoxies (and epoxy paints) to use on table tops and craft projects. the problem is that all epoxies will yellow over.