1.1 This test method determines the shear yield strength F_s_y and shear ultimate strength F_s_u of fusion bonds in polycarbonate by applying torsional shear loads to the fusion-bond line.

1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.