Premodifier: polymer
Head noun: membrane

Same concepts
http://dbpedia.org/resource/Synthetic_membrane

Broader concepts

labelprovenanceconfidence
surfaceisap:3406677350.487333
substrateisap:1845827370.389068
membraneisap:603372510.370167

Narrower concepts

labelprovenanceconfidence
membraneisap:603372750.369837