<?xml version="1.0" encoding="utf-8"?><metadata xmlns:dc="http://purl.org/dc/elements/1.1/"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dcterms="http://purl.org/dc/terms/"><dc:title xml:lang="en">thermoset</dc:title><dc:identifier>http://AATesaurus.cultura.gencat.cat/aat/getty_en?tema=31340156</dc:identifier><dc:language>en</dc:language><dc:publisher xml:lang="en">Getty Institute</dc:publisher><dcterms:created>2026-03-30 20:31:44</dcterms:created><dcterms:isPartOf xsi:type="dcterms:URI">http://AATesaurus.cultura.gencat.cat/aat/getty_en</dcterms:isPartOf><dcterms:isPartOf xml:lang="en">Tesaurus d&apos;Art i Arquitectura</dcterms:isPartOf><dc:format>text/html</dc:format> <dcterms:alternative xml:lang="en">thermosets</dcterms:alternative> <dcterms:alternative xml:lang="en">thermosetting plastic</dcterms:alternative> <dcterms:alternative xml:lang="en">thermosetting plastics</dcterms:alternative> <dcterms:alternative xml:lang="en">thermosetting resin</dcterms:alternative> <dc:description xml:lang="en"><![CDATA[ A polymer with strong intermolecular bonding that becomes rigid by chemical reaction and that is not remeltable. Thermoset polymers are usually insoluble in most solvents. Examples of thermoset polymers are epoxies, silicones, and phenolics along with some polyesters and polyurethanes. ]]></dc:description></metadata>