(EN) The invention provides novel articles of composite materials having hollow interior channels or passageways, or otherwise being hollowed out, and formulations and methods for their manufacture and uses. These hollow core objects are suitable for a variety of applications in construction, pavements and landscaping, and infrastructure.
(ZH) 本发明提供了具有中空的内部孔道或通道、或者以其他方式形成中空的新型复合材料制品,以及其配方、制造方法和用途。该空心体适合于建筑、铺装、景观、以及基础结构等多种应用。