This International Standard specifies a standardized method for testing and classifying surgical drapes and other patient-protective covers with respect to laser-induced hazards. It applies to disposable and reusable, as well as woven and non-woven materials used as surgical drapes and other patient-protective covers which claim to be laser-resistant. An appropriate classification system is given. It is not the purpose of this International Standard to serve as a general fire safety specification and, as such, it does not cover other sources of ignition nor does it cover the issue of laser-induced secondary ignition. All materials reflect portions of the beam and it is necessary for the user to decide whether specular reflectance may be a hazard. This measurement, however, is not covered in this International Standard.