Keystone Dental # 9613480R1
Benco Product # 4884-217
Country of Origin: United States
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).