@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
<http://webisa.webdatacommons.org/concept/polyether-ester+block_copolymer_>	skos:broader	isac:polyester_elastomer_ .
isac:_hytrel_	skos:broader	isac:polyester_elastomer_ .