| 摘要 |
<p>The catch (7) is formed as an expanded polystyrene molded part formed of polystyrene granule particles and/or pearls, which are provided, coated or covered by portions of surface of the particles and/or pearls with a firing and/or fire spread inhibiting material e.g. sodium silicate and/or water glass. The particles and/or pearls comprise a thickness of 10 to 80 kilogram per meter cube. The molded part contains an athermanous particle e.g. graphite carbon black, and aluminum and magnesium oxides.</p> |
