| 摘要 |
<p>A laminated cement sheet 29 is integrated with a pre-finished surface layer 27 of synthetic plastics material, for example melamine impregnated paper, the laminating being effected in a thermal press typically by applying the impregnated paper sheet to a compressed asbestos cement sheet to apply thereto any inherent colour, pattern or decoration applied to, or incorporated in, the sheet, a sheet 28 of glass cloth or synthetic tissue impregnated with a phenolic resin being interposed therebetween. <IMAGE></p> |
