| 摘要 |
<p>A thermosetting moulding mass or powder, consisting of a urea resin and a cellulose-based reinforcement, modified with the addition of titanium dioxide in a percentage greater than 1.5%, for the manufacture of products that can be marked by a laser method in the following colours: whites, ivories, light greys, light browns and any other light shades of colours. <IMAGE></p> |
