Poly-Optic® 1420 Clear Casting Resin - 24-lb kit Unit Size:24-lb kit The sacrificial bars or the

The sacrificial bars or the metal button act as a stabilizer and depth guide

Simply connect to a vacuum to keep dust-out - and work in clean air

RainGuard Pro Efflorescence Blocker is designed to block and prevent efflorescence and alkali from rising to the surface of a porous substrate

5 gallon size for 2-5 gallons of fluid

starting with a 200-grit

Poly-Optic® 1420 Clear Casting Resin - 24-lb kit Unit Size:24-lb kit The sacrificial bars or thePoly Optic 1420 Clear Casting Resin is a two part, liquid polyurethane resin that cures (RTV) to a water clear, Shore D85 plastic. It cures to a tough, impact and heat resistant plastic that can be polished and machined and is used extensively in prototyping applications. Heat cure (150F 180F) is required to achieve optimum physical properties. When cured at room temperature, the result is a brittle, glass like casting. Vacuum and or pressure casting