Izod impact testers are widely used in quality control and research laboratories to assess the impact resistance of materials and ensure they meet specific industry standards and safety regulations. The Izod impact test is a widely used mechanical testing method to determine the impact resistance or toughness of materials, especially in the case of plastics and metals. It measures the energy required to fracture a specimen under a sudden blow from a swinging pendulum. The test involves placing a notched or V-shaped specimen in a horizontal position with the notch facing outward. The pendulum is then released from a specific height, and it strikes the specimen, causing it to break. The energy absorbed during the fracture is recorded and reported as the Izod impact strength or simply "Izod impact." The Izod impact tester is a specific apparatus used to perform the Izod impact test on various materials. It is a standardized testing machine designed to evaluate the impact strength or toughness of materials, especially plastics and metals, by measuring the energy required to fracture a specimen under a sudden blow.