Unprocessed thermoplastic synthetic resins in microsphere form encapsulating thermo-expandable liquid; unprocessed thermoplastic synthetic resins in microsphere form in the state where encapsulated thermo-expandable liquid is expanded; artificial resins, unprocessed; plastics, unprocessed; unprocessed plastics in granular form; unprocessed plastics in powder form; unprocessed plastics; chemical blowing agents for plastics; delustering agents; foaming agents; chemical preparations for use in i...