Learn about plastic in the OR Sign Up Skip to Videos All | Operating Room | Plastic | Recycling | Recycling, Operating Room, Plastic, • 8/29/25 Remifentanyl vial caps - Are they ever likely to be recycled The remifentanyl caps weigh only 0.2g and have to have a piece of metal extracted from them. One kilogram of polyropylene will take over 16 hours of work just removing the metal. Therefore, this is very unlikely to be recycled
