Effect of Superabsorbent Polymer (SAP) Internal Curing Agent on Carbonation Resistance and Hydration Performance of Cement Concrete

Table 1

Main technical indicators of SAP.

Density/(kg/m^3)	/(1% moisture dispersion)	Saturated absorption time/s	Absorptance/(g/g)	Water absorption/(g/g)
				20–60 mesh	100–120 mesh	150–200 mesh
0.75	5.5–6.8	＜28	450–550	17.2	14.2	12.3