Well-Dispersed Silica Fume by Surface Modification and the Control of Cement Hydration

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr class="thead"><td class="align_left">Materials</td><td class="align_center">Molecular weight</td><td class="align_center">Specific gravity</td><td class="align_center">Concentration (%)</td><td class="align_center">Appearance</td><td class="align_center">Water solubility</td></tr><tr><td class="thead-hr" colspan="6"><hr/></td></tr><tr><td class="align_left">PAA</td><td class="align_center">∼3000</td><td class="align_center">1.23</td><td class="align_center">51.4</td><td class="align_center">Colourless viscous liquid</td><td class="align_center">Soluble</td></tr><tr><td class="align_left">KH-550</td><td class="align_center">221.37</td><td class="align_center">0.95</td><td class="align_center">98.2</td><td class="align_center">Colourless liquid</td><td class="align_center">Soluble</td></tr><tr class="table-tr"><td colspan="6"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Physical index of PAA and KH-550.</div>

Advances in Civil Engineering

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Table 2

Table 2: Well-Dispersed Silica Fume by Surface Modification and the Control of Cement Hydration 