Polymeric materials with high loading of microparticles or microspheres; resins and plastics, including epoxies, polyesters, vinyl esters, phenolics, thermoplastics, thermosets, polyurethanes, glues, cements, matrix material binders and combinations and hybrids thereof, with a high load of microparticles, including microspheres, ceramic particles, glass particles, plastic particles and combinations thereof; composite materials having high loading of microspheres; molded products of polymeric ...

Resin and plastic paste consisting of polyesters, vinyl esters, phenolics, epoxies and hybrids thereof which encapsulate a high load of ceramic or glass microballoons and microspheres and are distributed in a sandwich of flanking materials to be cured under pressure in a flat or mold press for use in the making of products