TAPE, CAST SCOTCHCAST 3"X4YDS YLW (10RL/BX) A lightweight, strong and durable casting tape that combines the benefits of a fiberglass casting tape with the handling ease of plaster Scotchcast Plus casting tape consists of a knitted fiberglass fabric impregnated with polyurethane resin Finished casts produced from Scotchcast Plus casting tape are lightweight, strong, radiolucent, and porous Scotchcast Plus casting tape contains a lubricating agent in the resin to provide a slippery feel when exposed to water