| 摘要 |
<p>Dental adhesive comprises a synth. or nat. gum, vaseline and nat. wood meal. Pref. it is prepared from sodium carboxymethylcellulose, hydroxyethylcellulose, Karaya gum, guaran and/or tragacanth (30-60%); wood pulp, as alpha-celluse, sawdust, or microcrystalline cellulose (5-30%); and vaseline (35-65%), opt. with additional mineral oil (5-10%).</p> |
