This method covers the procedure for the determination of flash point of asphalt binder by the Cleveland open-cup apparatus. This test method is applicable to asphalt binder with flash point between 80??(175?? and 400??(750??. Note 1??Specifications commonly designate the Tag Open-Cup method (T 79) for asphalt binders and cutback asphalts having flash points below 93??(200??. The values stated in SI units are to be regarded as the standard. This test may involve hazardous materials@ operations@ and equipment. This test does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.