thermosetting compositions vs thermosetting resin

thermosetting compositions and thermosetting resin both are nouns.

Word	Noun	Adjective	Verb	Adverb
thermosetting compositions	Yes	No	No	No
thermosetting resin	Yes	No	No	No

As nouns, thermosetting compositions and thermosetting resin are synonyms defined as:

thermosetting compositions and thermosetting resin: a material that hardens when heated and cannot be remolded

thermosetting compositions (noun)	thermosetting resin (noun)
a material that hardens when heated and cannot be remolded	a material that hardens when heated and cannot be remolded