sealant vs sealing material

sealant and sealing material both are nouns.

Word	Noun	Adjective	Verb	Adverb
sealant	Yes	No	No	No
sealing material	Yes	No	No	No

As nouns, sealing material is a hypernym of sealant; that is, sealing material is a word with a broader meaning than sealant:

sealant: a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)
sealing material: any substance used to seal joints or fill cracks in a porous surface

sealant (noun)	sealing material (noun)
a kind of sealing material that is used to form a hard coating on a porous surface (as a coat of paint or varnish used to size a surface)	any substance used to seal joints or fill cracks in a porous surface