PROCESS FOR MAKING LIGHTWEIGHT BODY SUITABLE FOR USE AS AN ADDITIVE IN AN ARTICLE OF MANUFACTURE, SUCH LIGHTWEIGHT BODY ITSELF, AND COMPOSITE CONTAINING SAME

摘要

ABSTRACTA process for making a body suitable for use as anadditive for incorporation in a plastic, which comprises thesteps of forming a blend of glass-forming materials,converting the blend of glass-forming materials into asolidified porous form, and heating such solidified porousblended glass-forming materials to form an exterior glassyshell thereon; as well as a lightweight body made by suchprocess, and an article of manufacture incorporating suchbody.