- permeability reducer
- уплотняющая добавка
Англо-русский строительный словарь. 2013.
Англо-русский строительный словарь. 2013.
Water reducer — Water reducers are special chemical products added to a concrete mixture before it is poured. They are from the same family of products as retarders. The first class of water reducers was the lignosulfonates which has been used since the 1930s.… … Wikipedia