Eye and face protection - Test methods - Part 3: Physical and mechanical properties (ISO 18526-3:2020)

This document specifies the reference test methods for determining the physical and mechanical properties of eye and face protectors. This document does not apply to any eye and face protection products for which the requirements standard(s) specifies other test methods. Other test methods can be used if shown to be equivalent and include uncertainties of measurement no greater than those required of the reference method.