For determining the hardness of plastics, ball indentation hardness is predominantly used; in the United States, hardness is often measured using the Rockwell method. For elastomers, Shore hardness is determined using a test indenter or test cone.
For determining the hardness of plastics, ball indentation hardness is predominantly used; in the United States, hardness is often measured using the Rockwell method. For elastomers, Shore hardness is determined using a test indenter or test cone.