Читать книгу Manual of Laboratory Testing Methods for Dental Restorative Materials - Paromita Mazumdar - Страница 23

Cross‐head speed is also known as deformation rate. It is measured in mm/min. Every material has different average cross‐head speeds recommended by ISO 4049. For e.g. resin‐based composites have a speed of (0.75 ± 0.25 mm/min).