| 摘要 |
<p>Coating compositions for coating articles of graphite-alumina refractory material to protect the articles against thermal shock comprise one or more minerals having a sheet structure such as talc, mica, vermiculite, antigorite, kaolinite, montmorillonite or pyrophyllite, a refractory oxide binder such as alumina gel, silica sol, alumina sol or zirconia sol and a carrier liquid such as water.</p> |
