Hollow microspheres of glass, ceramic, or other non-metallic materials, other than for use as insulating or building material, namely, for reinforcement in glass or ceramics used in the further manufacture of insulation flasks, insulation bottles, and cooling bottles

Unprocessed plastic materials comprising embedded hollow microspheres made of glass, ceramics or other non-metallic substances, namely plastics and resins; adhesives for industrial purposes comprising embedded hollow microspheres made of glass, ceramics or other non-metallic substances, namely plastics and resins