TAPE, CAST SCOTCHCAST 3"X4YDS GRN (10RL/BX) Exposure to moisture or water initiates a chemical reaction which causes the tape to become rigid Finished casts produced from Scotchcast Plus casting tape are lightweight, strong, radiolucent, and porous Casting tape contains a lubricating agent in the resin to provide a slippery feel when exposed to water Fabric impregnated with polyurethane resin