Head noun: polybenzimidazole

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

Broader concepts

labelprovenanceconfidence
polymerisap:40588990.188898

Narrower concepts

labelprovenanceconfidence
cellulose triacetateisap:5031229940.353978
celluloseisap:1514261700.188429