摘要 |
<p>Support material from porous ceramic granulate, produced from a mixture of 45 to 80 parts by weight clay, 0 to 50 parts by weight calcite, quartz sand, dolomite, feldspar, chamotte and/or sepiolite, 15 to 30 parts by weight water, 0.01 to 0.03 parts by weight deflocculant, 0.001 to 0.01 parts by weight surfact and optionally agents counteracting the deflocculant and foamed under an overpressure of at least 0.3 bar prior to baking and filled or charged with at least one volatile substance.</p> |