Head noun: carborundum

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

Broader concepts

labelprovenanceconfidence
refractory materialisap:4635751620.419469
materialisap:4635751600.412271
hard materialisap:4635751610.346371
substanceisap:2777464470.248814
mineralisap:1381886610.225663

Narrower concepts

labelprovenanceconfidence