PERFORM FOR FOAMED SHEET PRODUCT AND FOAMED PRODUCT MANUFACTURED THEREFROM
摘要
<p>Preform of a foamable laminate sheet comprising a core between two metal skin plates, said core comprising a foaming agent and a foamable metal, characterised in that the foamable metal comprises at least one foamable metal sheet and wherein the foaming agent is applied on at least one side of at least one foamable metal sheet.</p>
