Table 2 The absorption capacity of SAP (nā=ā3) in demineralized water and cement slurry [g/g SAP], absorption capacity of SAP during mixing of a cement paste [g/g SAP], and swelling time until full saturation of particles is achieved [s] with respective standard deviations.
Method | SAP A | SAP B |
---|---|---|
Īm/m de-ionised water (pHā=ā6.5) | 305.0ā±ā3.7āg/g SAP | 283.2ā±ā2.4āg/g SAP |
Īm/m cement slurry (pHā=ā12.8) | 61.0ā±ā1.0āg/g SAP | 58.4ā±ā1.7āg/g SAP |
Īm/m during cement paste mixing | 23āg/g SAP | 11āg/g SAP |
Swelling time | 10ā±ā2ās | 60ā±ā5ās |