Liquid 15
Liquid 15 : Any material that (1) has a fluidity greater than that of 300 penetration asphalt when tested in accordance with ASTM D 5, Standard Method of Test for Penetration of Bituminous Materials or (2) is a viscous substance for which a specific melting point cannot be determined but that is determined to be a liquid in accordance with ASTM D 4359, Standard Test for Determining Whether a Material is a Liquid or a Solid