| 摘要 |
<p>The present invention relates to a metal pigment, comprising a particle, preferably a flake, of iron or an alloy thereof, having on its surface a coloured coating, formed by exposing the said particle to an elevated temperature in an oxygen-containing atmosphere. The product finds use in surface coatings and in the mass colouration of plastics, especially where a coloured "glitter" effect is required.</p> |
