<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">heat stabilizer</topic></authority><related type="broader"><topic>stabilizer</topic></related><variant type="other"><topic>stabilizer, heat</topic></variant> <note xml:lang="en"><![CDATA[ Stabilizer added during the production of plastic. For the production of PVC, heat stabilizers are added in order to reduce the loss of hydrogren chloride during temperatures attained in the process. ]]></note></mads>