Assertion: foam's density | /r/HasProperty | the weight of the foam
Facets:
Source sentences:
text: That is why two memory foams with the same specs in terms of density (which is just the weight of the foam, specifically the weight of a cubic foot of the foam (a cube of foam that is a foot in each dimension) and its ILD/IFD (how much pressure is exerted to indent the foam a certain amount — the higher the number, the more pressure that was needed, so the stiffer the foam.