| 摘要 |
<p>New Gel Coat Formulation Abstract New gel coat composition, in particular new marine gel coat compositions, a process for their manufacture as well as their use to coat surfaces of articles exposed to s light, water and solvents. The gel coats incorporate a precipitated silica having - A BET surface of from 150 to 250 m 2 - A SiO 2 content of greater than or equal to 98.5% by weight - A Na 2O content of less than or equal to 0.5% by weight.</p> |
