Polytek products can be rotocast; however, some products are better suited for roto-casting. We recommend EasyFlo 120 Polyurethane Plastic for this use, as EasyFlo 120 has a very gradual cure profile. This means that the curing process will occur gradually and the resin will slowly thicken, which allows for a uniformly thick roto-casted part.
For rotocasting rubber parts, use one of our PT Flex Polyurethane Rubber products. They are fast curing and low viscosity, ideal for rotocasting.