<?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_ca">[elastòmer per composició o origen]</topic></authority><related type="narrower"><topic>elastòmer d&apos;epiclorhidrina </topic></related><related type="narrower"><topic>elastòmer d&apos;etilpropilè</topic></related><related type="narrower"><topic>elastòmer de fluorocarboni </topic></related><related type="narrower"><topic>cautxú de butil </topic></related><related type="narrower"><topic>neoprè </topic></related><related type="narrower"><topic>elastòmer de nitril </topic></related><related type="narrower"><topic>elastòmer de polibutadiè</topic></related><related type="narrower"><topic>elastòmer de polietilè</topic></related><related type="narrower"><topic>poliisoprè </topic></related><related type="narrower"><topic>elastòmer de polisulfur </topic></related><related type="narrower"><topic>elastòmer de silicona </topic></related><related type="narrower"><topic>cautxú d&apos;estirè/butadiè</topic></related><related type="narrower"><topic>elastòmer d&apos;uretà</topic></related><related type="narrower"><topic>elastà </topic></related><related type="narrower"><topic>vulcanite (traducció pendent)</topic></related><related type="narrower"><topic>fluoro rubber (traducció pendent)</topic></related><related type="narrower"><topic>ethylene propylene diene monomer rubber (traducció pendent)</topic></related><related type="broader"><topic>elastòmer </topic></related></mads>