| 摘要 |
<p>The invention relates to a coating composition for a metal substrate exhibiting a free outer surface consisting of a metal coating based on zinc or a zinc-based alloy, characterized in that it comprises: silicate(s) of sodium and/or potassium and/or lithium (3-35 wt. %), a tensioning agent (a.01 1 wt.%), the remainder being water in a quantity sufficient to arrive at 100 %.</p> |
