The closest you will come to “Plaster” in a Synthetic Cast Tape
STG - 4015-2R-Form Casting Tape, Fiberglass, W 2in x L 4yd, White (box=10 rolls)
STG - 4015-3R-Form Casting Tape, Fiberglass, W 3in x L 4yd, White (box=10 rolls)
STG - 4015-4R-Form Casting Tape, Fiberglass, W 4in x L 4yd, White (box=10 rolls)
STG - 4015-5R-Form Casting Tape, Fiberglass, W 5in x L 4yd, White (box=10 rolls)
