1.1 This specification covers cutback petroleum asphalts of the rapid-curing type for use in the construction and treatment of pavements. 1.2 The values stated in either SI units or inch-pound units are to be regarded sep This specification covers cutback petroleum asphalts of the rapid-curing type for use in the construction and treatment of pavements. The cutback asphalt shall not foam when heated to application temperature and shall conform to the requirements prescr