Shop Acrylic Sheet for Partition Barriers (Sneeze Guards). Extruded acrylic sheet can be used to create a safety barrier, also known as a sneeze guard, as a proactive measure to protect employees and customers at point-of-sale areas. Clear material with high clarity and the ability to disinfect. Compatible* disinfectants/sanitizers for OPTIX® extruded acrylic sheet include: pharmacy grade hydrogen peroxide, household grade bleach, and isopropyl alcohol – diluted with water to 30% strength. Custom cuts and cut-to-size pieces. Can’t find what you need? Get a quote.