Round plates with 78 shore hardness, made out of PET G (Polyethylene Terephthalate modified with Glycol) - available in 5 thickness sizes - 0,5; 0,8; 1,0; 1,5 and 2,0 mm. Ideal for thermoforming of dental aligners and post-treatment aesthetic retainers. The material conforms to ISO 10993-1, and once formed, it features excellent optical transparency, with highly efficient biomechanical properties.