UNE 104-281 Pt.3-8-1986 Test methods for asphalt materials and modified asphalt emulsions. Ash-containing substances (involving non-volatile substances)
This standard describes the procedure that must be followed to determine the inorganic matter or ash of bituminous emulsions that are used as a primer, preparation of surfaces for waterproofing or as an auxiliary component for waterproofing coatings in construction, from the non-volatile matter obtained. by evaporation, according to the UNE 104-281/3-7 standard.