Astm d4586 d4586m 07 2012 e1 standard specification for asphalt roof cement asbestos free. And ductile while type ii is made from asphalt characterized by high softening point and relatively low ductility. This specification covers the testing and requirements for two types and two classes of asbestos free asphalt roof cement consisting of an asphalt base volatile petroleum solvents and mineral and or other stabilizers mixed to a smooth uniform consistency.
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