https://www.yourdictionary.com/melamine-resin
Melamine Resin definition: A thermosetting resin used for molded products, adhesives, and surface coatings.
melamine resindefinitionmeaning
https://www.sigmaaldrich.com/FR/en/product/supelco/27141
Screw cap, solid top with PTFE liner, pkg 100 solid green melamine resin cap, F217/PTFE liner, for use with 4 mL vial with 13-425 thread at Sigma-Aldrich
screw capsolidtopptfeliner