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Expandable microspheres
Expandable microsphere is a kind of thermoplastic hollow polymer sphere, which is composed of a thermoplastic polymer shell and sealed liquid alkane gas. When the microspheres are heated, the shell becomes soft, and the internal air pressure increases sharply, causing the microspheres to expand, and...
Brandmade in chinaTagsSuper light clay, PVC slippers, EXPANCEL, Expandable microspheres