ASTM D2521/D2521M-76(2021)

Die Annotation des Normtextes ASTM D2521/D2521M-76(2021) :

This specification covers the sampling, testing, and physical requirements of oxidized petroleum asphalt, which when applied in a sufficient thickness over a suitable subgrade and covered with a suitable cover material, will provide a satisfactory waterproof membrane for use as a canal, ditch, and pond lining. The asphalt shall not foam when heated are a specified temperature, when tested using appropriate methods, shall conform accordingly to the following properties: softening point (ring and ball); penetration points; ductility; flash point (Cleveland open cup); solubility in trichloroethylene; and loss in heating.


Keywords:
bituminous materials, canal lining, ditch lining, membrane asphalt,, ICS Number Code 91.100.50 (Binders. Sealing materials)