Vacuum Forming Materials. High quality 5" x 5" sheet thermoplastic materials for creating a wide range of vacuum formed appliances and trays. Pure grade resin sheets are latex-free and uniform in size, cut and thickness. 080″ Sheets are excellent for fabrication of thin athletic mouthguards for non-contact sports, bruxism splints, soft splints and custom flouride trays. Material bonds to itself so it can be built up in layers for the creation of athletic mouthguards. Non-Latex