Erkoloc-pro dual laminate - 10pcs Square ERkODENT CLEAR 125 x 125mm 3mm Sandwich plates, hard/soft, for comfortable bite, miniplast and bruxism splints. The hard layer is made from polyethylene terephthalate glycol (PETG) and can be built up with self-curing resin. The soft layer is made from thermoplastic polyurethane (TPU). The foils are packed in airtight aluminium pouches so that pre-drying is not necessary despite the hygroscopic properties of the material. With separating foil.