3M Scotchcast Plus 82004A Cast Tape 4 Inch X 12 Foot Fiberglass Black, 1 Count

Features: 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.