Preparation of Magnesia Insulation Materials by Calcination of Walnut Shell Powder by Silica Sol Impregnation

<table class="table-group" id="tab1"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2">Raw materials</td></tr><tr class="thead"><td class="align_left">Physical properties</td><td class="align_center">Magnesia porous aggregates</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Bulk density (g/cm<sup>3</sup>)</td><td class="align_center">1.65</td></tr><tr><td class="align_left">Apparent porosity (%)</td><td class="align_center">43.6</td></tr><tr><td class="align_left">Numerical tube pressure (MPa)</td><td class="align_center">18.6</td></tr><tr><td class="align_left">Pore size distribution (<i>μ</i>m)</td><td class="align_center">5–10</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The physical properties of sintered magnesia porous aggregates.</div>

Advances in Materials Science and Engineering

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Table 1

Table 1: Preparation of Magnesia Insulation Materials by Calcination of Walnut Shell Powder by Silica Sol Impregnation 