This standard describes the procedures to be followed to check the suitability of retarding additives (see UNI 7101-72) to carry out their specific action, without negatively influencing, at least within certain limits, the other characteristics of the mixtures.
UNI 7104-1972 history
1972UNI 7104-1972 Cement mixture additives, retarder additives. Suitability and related prosecution methods