Use of Secondary Crystallization and Fly Ash in Waterproofing Materials to Increase Concrete Resistance to Aggressive Gases and Liquids

Table 2

Composition of polymer cement coating (CT).

Material	Dosage (kg)
Cement EN 197-1 CEM II/A-S 42.5 R	270
Silica sand	700
Silica fume (5% aqueous dispersion)	8
Silica filler	20
Fly ash (10%)	30
Xypex Admix (2%)	6
Water	300
Carboxymethyl cellulose	10
Styrene-acrylate dispersion	700
Defoaming agent on synthetic copolymer base	5

Percentual substitute for cement was based on the initial dose 300 kg/m³ of cement.