Assertion: honeycomb's porosity | /r/HasProperty | preferably 40%
Facets:
value: considering these points
type: OTHER
Source sentences:
text: The porosity is preferably 40% or more when the present honeycomb structure is used in an application for such as for example as a filter for purification of automobile exhaust gas wherein there is a fear of pressure loss.
text: Considering these points, the porosity of the exhaust gas-purifying honeycomb substrate 1 is preferably 40% or less.