non-conducting vs nonconducting

non-conducting and nonconducting both are adjectives.

Word	Noun	Adjective	Verb	Adverb
non-conducting	No	Yes	No	No
nonconducting	No	Yes	No	No

As adjectives, non-conducting and nonconducting are synonyms defined as:

non-conducting and nonconducting: not able to conduct heat or electricity or sound

Other synonyms of non-conducting include nonconductive.

non-conducting (adjective)	nonconducting (adjective)
not able to conduct heat or electricity or sound	not able to conduct heat or electricity or sound