Coping Material .040 (1mm) Round 120mm – 50/PkgCoping Material . 040 (1mm) Round 120mm 50 Pkg These cloudy, stiff polypropylene sheets are excellent for fabricating temporary crowns, bridges and copings. The material gives good definition and will not adhere to acrylics. The sheets come in three thicknesses: 0. 020 (. 50mm), 0. 030 (. 75mm), and 0. 040 (1mm). Features: Available in three thicknesses: 0. 020 (. 50mm), 0. 030 (. 75mm), and 0. 040 (1mm). Available in 5 x 5 (127x127mm) sheets Also